Simplifying Expressions 7th

Front

n + 4n - 7n - 1

Back

-2n -1

Front

3d - 10d

Back

-7d

Front

-3r + 7 - 3r - 12

Back

-6r - 5

Front

5x + 4 + 9x

Back

14x + 4

Front

2(3x + 5)

Back

6x + 10

Front

-2(4x - 10)

Back

-8x + 20

Front

5(-3x + 4 -x)

Back

-20x + 20

Front

(9x - 8) – (x +4) 
SUBTRACTION!!!!

Back

8x -12 

Front

2(x + 3x) + 3(4 + 6)

Back

8x + 30

Front

10 ( x + 13) + 2(-2x + 4y)

Back

6x + 8y + 130