85-5x=9x+15

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Solution for 85-5x=9x+15 equation:


Simplifying
85 + -5x = 9x + 15

Reorder the terms:
85 + -5x = 15 + 9x

Solving
85 + -5x = 15 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
85 + -5x + -9x = 15 + 9x + -9x

Combine like terms: -5x + -9x = -14x
85 + -14x = 15 + 9x + -9x

Combine like terms: 9x + -9x = 0
85 + -14x = 15 + 0
85 + -14x = 15

Add '-85' to each side of the equation.
85 + -85 + -14x = 15 + -85

Combine like terms: 85 + -85 = 0
0 + -14x = 15 + -85
-14x = 15 + -85

Combine like terms: 15 + -85 = -70
-14x = -70

Divide each side by '-14'.
x = 5

Simplifying
x = 5

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