8x-12-2x+6=42

Solution for 8x-12-2x+6=42 equation:

Simplifying
8x + -12 + -2x + 6 = 42

Reorder the terms:
-12 + 6 + 8x + -2x = 42

Combine like terms: -12 + 6 = -6
-6 + 8x + -2x = 42

Combine like terms: 8x + -2x = 6x
-6 + 6x = 42

Solving
-6 + 6x = 42

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '6' to each side of the equation.
-6 + 6 + 6x = 42 + 6

Combine like terms: -6 + 6 = 0
0 + 6x = 42 + 6
6x = 42 + 6

Combine like terms: 42 + 6 = 48
6x = 48

Divide each side by '6'.
x = 8

Simplifying
x = 8