15x+6=90+8x

Solution for 15x+6=90+8x equation:

Simplifying
15x + 6 = 90 + 8x

Reorder the terms:
6 + 15x = 90 + 8x

Solving
6 + 15x = 90 + 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.
6 + 15x + -8x = 90 + 8x + -8x

Combine like terms: 15x + -8x = 7x
6 + 7x = 90 + 8x + -8x

Combine like terms: 8x + -8x = 0
6 + 7x = 90 + 0
6 + 7x = 90

Add '-6' to each side of the equation.
6 + -6 + 7x = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 7x = 90 + -6
7x = 90 + -6

Combine like terms: 90 + -6 = 84
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12