42-7x=8x

Solution for 42-7x=8x equation:

Simplifying
42 + -7x = 8x

Solving
42 + -7x = 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
42 + -7x + -8x = 8x + -8x

Combine like terms: -7x + -8x = -15x
42 + -15x = 8x + -8x

Combine like terms: 8x + -8x = 0
42 + -15x = 0

Add '-42' to each side of the equation.
42 + -42 + -15x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -15x = 0 + -42
-15x = 0 + -42

Combine like terms: 0 + -42 = -42
-15x = -42

Divide each side by '-15'.
x = 2.8

Simplifying
x = 2.8