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how to solve this using elimination method?

0 votes

2x-3y+3
3x+3y=18

elimination-method

asked Apr 24, 2013 in ALGEBRA 1 by anonymous Apprentice

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1 Answer

0 votes

2x-3y=-3 ---------- (1)
3x+3y=18 ----------- ( 2)

Add equations to eliminate the variable y.

2x-3y=-3
3x+3y=18

-------------

5x = 15

divide each side by 5

x = 3

Substitute x = 3 in 3x+3y=18

3 * 3 + 3y = 18

3y = 9

y = 3

(x, y) = (3, 3)

answered Apr 24, 2013 by Naren Answers Apprentice

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