Question

Simplify: (5 – 2) – (18 – 25) =?

Simplify: 7 – (8 x 3)=?
Simplify: 6 - 4(6+2)=???
Simplify: –r + 7 + 3r – 9 – 2r =??

Answer 1

Explanation:

3-(-7)=(-4)

7-24=(-17)

Answer 2

1. 10

2. -17

3. -26

4. -2

Explanation:

`1 ). \ (5 - 2) - (18 -25) = 3 - (-7) = 3 + 7 = 10\\2). \ 7 - ( 8* 3) = 7 - 24 = -17\\3). \ 6 - 4(6+2) = 6 - ( 4 * 8) = 6 - 32 = -26\\4). \ -r + 7 + 3r -9 -2r = (-r +3r -2r)+(7 -9) = 0-2= -2`