90-2x=2x-15

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


Simplifying
90 + -2x = 2x + -15

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

Solving
90 + -2x = -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 + -2x + -2x = -15 + 2x + -2x

Combine like terms: -2x + -2x = -4x
90 + -4x = -15 + 2x + -2x

Combine like terms: 2x + -2x = 0
90 + -4x = -15 + 0
90 + -4x = -15

Add '-90' to each side of the equation.
90 + -90 + -4x = -15 + -90

Combine like terms: 90 + -90 = 0
0 + -4x = -15 + -90
-4x = -15 + -90

Combine like terms: -15 + -90 = -105
-4x = -105

Divide each side by '-4'.
x = 26.25

Simplifying
x = 26.25

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