6(x-1)+84=90

Solution for 6(x-1)+84=90 equation:

Simplifying
6(x + -1) + 84 = 90

Reorder the terms:
6(-1 + x) + 84 = 90
(-1 * 6 + x * 6) + 84 = 90
(-6 + 6x) + 84 = 90

Reorder the terms:
-6 + 84 + 6x = 90

Combine like terms: -6 + 84 = 78
78 + 6x = 90

Solving
78 + 6x = 90

Solving for variable 'x'.

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

Add '-78' to each side of the equation.
78 + -78 + 6x = 90 + -78

Combine like terms: 78 + -78 = 0
0 + 6x = 90 + -78
6x = 90 + -78

Combine like terms: 90 + -78 = 12
6x = 12

Divide each side by '6'.
x = 2

Simplifying
x = 2