6(x-1)+72=90

Solution for 6(x-1)+72=90 equation:

Simplifying
6(x + -1) + 72 = 90

Reorder the terms:
6(-1 + x) + 72 = 90
(-1 * 6 + x * 6) + 72 = 90
(-6 + 6x) + 72 = 90

Reorder the terms:
-6 + 72 + 6x = 90

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

Solving
66 + 6x = 90

Solving for variable 'x'.

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

Add '-66' to each side of the equation.
66 + -66 + 6x = 90 + -66

Combine like terms: 66 + -66 = 0
0 + 6x = 90 + -66
6x = 90 + -66

Combine like terms: 90 + -66 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4