6(x+1)+66=90

Solution for 6(x+1)+66=90 equation:

Simplifying
6(x + 1) + 66 = 90

Reorder the terms:
6(1 + x) + 66 = 90
(1 * 6 + x * 6) + 66 = 90
(6 + 6x) + 66 = 90

Reorder the terms:
6 + 66 + 6x = 90

Combine like terms: 6 + 66 = 72
72 + 6x = 90

Solving
72 + 6x = 90

Solving for variable 'x'.

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

Add '-72' to each side of the equation.
72 + -72 + 6x = 90 + -72

Combine like terms: 72 + -72 = 0
0 + 6x = 90 + -72
6x = 90 + -72

Combine like terms: 90 + -72 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3