5x-90=78+12x

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Solution for 5x-90=78+12x equation:


Simplifying
5x + -90 = 78 + 12x

Reorder the terms:
-90 + 5x = 78 + 12x

Solving
-90 + 5x = 78 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-90 + 5x + -12x = 78 + 12x + -12x

Combine like terms: 5x + -12x = -7x
-90 + -7x = 78 + 12x + -12x

Combine like terms: 12x + -12x = 0
-90 + -7x = 78 + 0
-90 + -7x = 78

Add '90' to each side of the equation.
-90 + 90 + -7x = 78 + 90

Combine like terms: -90 + 90 = 0
0 + -7x = 78 + 90
-7x = 78 + 90

Combine like terms: 78 + 90 = 168
-7x = 168

Divide each side by '-7'.
x = -24

Simplifying
x = -24

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