Welcome :: Homework Help and Answers :: Mathskey.com

Q&A
Unanswered
Categories
Users
Ask a Question

Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

Q&A Categories
BASIC MATH (93)
PRE-ALGEBRA (441)
ALGEBRA 1 (2,220)
GEOMETRY (864)
ALGEBRA 2 (2,751)
TRIGONOMETRY (1,187)
PRECALCULUS (1,903)
CALCULUS (2,802)
STATISTICS (129)
PHYSICS (659)
CHEMISTRY (137)
MECHANICAL ENGINEERING (64)
ELECTRICAL ENGINEERING (207)
Winplot Tutorials (2)

Most popular tags

solving-equations system-of-equations functions math slope-intercept-form physics homework-help trigonometric-identities integration limits substitution-method calculus

13,459 questions

17,854 answers

1,446 comments

811,122 users

Please* Help Me With This Math Problem?

0 votes

Question is Find "y" and value of x is given.
2x+3y = 12 , x = 3

slove-equation

asked Nov 13, 2013 in ALGEBRA 1 by abstain12 Apprentice

Share this question

Google+ Facebook Twitter LinkedIn Reddit

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 votes

2x+3y = 12

Substitute the x value in above equation.

2*3+3y = 12

6+3y = 12

Substitute 6 from each side.

6-6+3y = 12-6

3y = 6

divide to each side by 3

3y/3 = 6/3

y = 2

answered Nov 13, 2013 by william Mentor

Please log in or register to add a comment.

Related questions

Help with Point Slope Form equation?

asked Nov 12, 2013 in ALGEBRA 1 by payton Apprentice

slove-equation

I need homework help!! please!!?

asked Nov 12, 2013 in ALGEBRA 2 by rockstar Apprentice

slove-equation
velocity

Algebra Help!!

asked Nov 12, 2013 in ALGEBRA 1 by abstain12 Apprentice

slove-equation

Help me with this math problem?

asked Aug 26, 2013 in PRE-ALGEBRA by andrew Scholar

simply-expressions

Help me with this math problem (algebra)?

asked Jun 17, 2013 in ALGEBRA 2 by anonymous Apprentice

solve-equation

Could you please help me with this calculus problem?

asked Nov 18, 2014 in CALCULUS by anonymous

implicit-differntiation

Could you please help me with this problem

asked Mar 17, 2014 in ALGEBRA 2 by abstain12 Apprentice

solve-equations

please help me with this problem. what is the value of the determinant.

asked Mar 17, 2014 in ALGEBRA 2 by harvy0496 Apprentice

matrix-of-determinant
using-matrices

please help me with this problem....

asked Mar 13, 2014 in PRE-ALGEBRA by homeworkhelp Mentor

slope-of-a-line-through-2points
slope-intercept-form
y-intercept
equation-of-line

Can u please help me with this problem.....

asked Mar 13, 2014 in PRE-ALGEBRA by homeworkhelp Mentor

solving-inequalities

Please help me out with this physics problem!?

asked Nov 10, 2013 in PHYSICS by anonymous Apprentice

critical-angle
refraction-angle
snells-law
mirrors

Can someone please help me with this mathematical problem?

asked Jul 21, 2013 in TRIGONOMETRY by anonymous Apprentice

-inverse-function

Could somebody please help with this math problem?

asked Nov 6, 2014 in ALGEBRA 2 by anonymous

solve-equations

Some one help me on this algebra problem please? kind of confused?

asked Dec 25, 2012 in ALGEBRA 1 by dozey Mentor

slope

Find a,

asked Nov 12, 2013 in PRE-ALGEBRA by futai Scholar

slove-equation
distributive-property

What are the steps for solving an x equation?

asked Nov 12, 2013 in PRE-ALGEBRA by abstain12 Apprentice

slove-equation

Help me with math, please!!!?

asked Aug 7, 2014 in ALGEBRA 1 by anonymous

simplify-expression

Can someone please help me with my math homework ?

asked May 24, 2014 in ALGEBRA 1 by anonymous

solving-equations

please help me with this function question?

asked Sep 12, 2014 in ALGEBRA 1 by anonymous

functions

Help me solve this math problem?

asked Apr 10, 2013 in ALGEBRA 2 by Jose Rodriguez Rookie

slope
line-equation

Copyright © 2024 MATHSKEY. All Rights Reserved. Sitemap|Terms Of Use|Disclaimer|Contact Us|FAQ

...