9x-12+6x-18=90

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Solution for 9x-12+6x-18=90 equation:


Simplifying
9x + -12 + 6x + -18 = 90

Reorder the terms:
-12 + -18 + 9x + 6x = 90

Combine like terms: -12 + -18 = -30
-30 + 9x + 6x = 90

Combine like terms: 9x + 6x = 15x
-30 + 15x = 90

Solving
-30 + 15x = 90

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 15x = 90 + 30

Combine like terms: -30 + 30 = 0
0 + 15x = 90 + 30
15x = 90 + 30

Combine like terms: 90 + 30 = 120
15x = 120

Divide each side by '15'.
x = 8

Simplifying
x = 8

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