7x-162=78+15x

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Solution for 7x-162=78+15x equation:


Simplifying
7x + -162 = 78 + 15x

Reorder the terms:
-162 + 7x = 78 + 15x

Solving
-162 + 7x = 78 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-162 + 7x + -15x = 78 + 15x + -15x

Combine like terms: 7x + -15x = -8x
-162 + -8x = 78 + 15x + -15x

Combine like terms: 15x + -15x = 0
-162 + -8x = 78 + 0
-162 + -8x = 78

Add '162' to each side of the equation.
-162 + 162 + -8x = 78 + 162

Combine like terms: -162 + 162 = 0
0 + -8x = 78 + 162
-8x = 78 + 162

Combine like terms: 78 + 162 = 240
-8x = 240

Divide each side by '-8'.
x = -30

Simplifying
x = -30

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