Question

0 = x + 12
-3 = x + 10
2x - 5 = x + 1
4x - 7 = 8x - 2

Answer 1

0 = x + 12.

-x = 12 +/- 0.

-x = 12.

x = -12.

-3 = x + 10.

-x = 10 + 3.

-x = 13.

x = -13.

2x - 5 = x + 1.

2x - x = 1 + 5.

x = 6.

4x - 7 = 8x - 2.

4x - 8x = -2 + 7.

-4x = 5.

-x = 5/4.

x = -5/4.