X/2-X=3X/8-11

2 answers

X/2-X=3X/8-11

2X/2-X=3X/8-11

X=11
x / 2 - x = 3 x / 8 - 11

- x / 2 = 3 x / 8 - 11

Add 11 to both sides.

- x / 2 + 11 = 3 x / 8

Add x / 2 to both sides.

11 = 3 x / 8 + x / 2

11 = 3 x / 8 + 4 x / 8

11 = 7 x / 8

Multiply both sides by 8

88 = 7 x

7 x = 88

x = 88 / 7