Front

-4 ( 8r + 3)

Back

-32r - 12

Front

4(-p - 6)

Back

-4p - 24

Front

3(3x - 6) = 18

Back

x = 4

Front

2 (x - 4) =18

Back

x = 13

Front

6 ( 2n + 5 ) = 66

Back

x = 3

Front

-3 ( f - 8 ) = 39

Back

x = -5

Front

9 (2x + 8) = 270

Back

x = 11

Front

3x + 2(4x - 4) = 3

Back

x = 1

Front

-11 + 3(b + 5) = 7

Back

b = 1

Front

A letter that represents a number is called a _____.

Back

variable