90-5x=2x+15

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Solution for 90-5x=2x+15 equation:


Simplifying
90 + -5x = 2x + 15

Reorder the terms:
90 + -5x = 15 + 2x

Solving
90 + -5x = 15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
90 + -5x + -2x = 15 + 2x + -2x

Combine like terms: -5x + -2x = -7x
90 + -7x = 15 + 2x + -2x

Combine like terms: 2x + -2x = 0
90 + -7x = 15 + 0
90 + -7x = 15

Add '-90' to each side of the equation.
90 + -90 + -7x = 15 + -90

Combine like terms: 90 + -90 = 0
0 + -7x = 15 + -90
-7x = 15 + -90

Combine like terms: 15 + -90 = -75
-7x = -75

Divide each side by '-7'.
x = 10.71428571

Simplifying
x = 10.71428571

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