42=13x-6x

Solution for 42=13x-6x equation:

Simplifying
42 = 13x + -6x

Combine like terms: 13x + -6x = 7x
42 = 7x

Solving
42 = 7x

Solving for variable 'x'.

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

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

Combine like terms: 7x + -7x = 0
42 + -7x = 0

Add '-42' to each side of the equation.
42 + -42 + -7x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -7x = 0 + -42
-7x = 0 + -42

Combine like terms: 0 + -42 = -42
-7x = -42

Divide each side by '-7'.
x = 6

Simplifying
x = 6