-3(y+2y)+10-(y-10)

Question

simplify

Answer 1

The expression is  - 3(y + 2y) + 10 - (y - 10).

Order of Operations:

To simplify the expression follow the order of operations: (PEMDAS)

1.      Evaluate the expressions inside the Parenthesis/Brackets (P).

2.      Evaluate Powers/Exponents (E).

3.      Multiply and/or Divide in order from left to right (MD).

4.      Add and/or Subtract in order from left to right (AS).

- 3(y + 2y) + 10 - (y - 10).

= - 3y - 6y + 10 - y + 10

= - 10y + 20.