7th Grade Math: Equations

Front

14+3x=26

Back

x=4

Front

82=15x-23

Back

x=7

Front

-9x×3=135

Back

x=-5

Front

(8x-24)÷4=-12

Back

x=-3

Front

Six friends went to lunch. They tipped the waiter 17% of their check and split the bill. If each friend paid ten dollars and sixty-three cents, how much was their meal before the tip? Options: $36.63, $54.51, $84.72, $62.33

Back

$54.51

Front

3x + 7 = -6x - 56

Back

x = -7

Front

14x + 2 - 7x = 37

Back

x = 5

Front

13x+9=(1+7x)2

Back

x=7

Front

9+5x=-17-8x

Back

x=-2

Front

How many hours can you talk on the phone until both plans cost the same? Plan A: $40/month for unlimited calling and texting. Plan B: $15/month with unlimited texting, 5¢/minute for calls.

Back

8 1/3 hours