144=x*7+x

Solution for 144=x*7+x equation:

Simplifying
144 = x * 7 + x

Reorder the terms for easier multiplication:
144 = 7x + x

Combine like terms: 7x + x = 8x
144 = 8x

Solving
144 = 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.
144 + -8x = 8x + -8x

Combine like terms: 8x + -8x = 0
144 + -8x = 0

Add '-144' to each side of the equation.
144 + -144 + -8x = 0 + -144

Combine like terms: 144 + -144 = 0
0 + -8x = 0 + -144
-8x = 0 + -144

Combine like terms: 0 + -144 = -144
-8x = -144

Divide each side by '-8'.
x = 18

Simplifying
x = 18