1 step
x + 4 = 12
x = 8
2x + 4 = 12
x = 4
x + 1 = 7
subtraction
1 (2 + 2) =
4
2(x - 4) = 0
x = 4
x - 6 = 17
x = 23
4x - 7 = 29
x = 9
x - 6 = 12
addition
2( 4 + 2)
12
4 (x + 3) = 16
x = 1
4x = 24
x = 6
x/6 + 5 = 11
x = 36
x + 9 = 10
subtraction
4 ( 8 - 6 )
8
5 (x + 5) = 75
x = 10
x/4 = 32
x = 8
x/7 - 8 = 0
x = 56
6x = 42
division
6 ( 9 - 5 )
24
8 (5 - x) = 80
x = -5
x/7 = 12
84
x/8 - 7 = 5
x = 96
x/7 = 8
multiplication
8 (10 + 12)
176
7 (8 +x) = 78
x = 3