90-2x=10x

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Solution for 90-2x=10x equation:


Simplifying
90 + -2x = 10x

Solving
90 + -2x = 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
90 + -2x + -10x = 10x + -10x

Combine like terms: -2x + -10x = -12x
90 + -12x = 10x + -10x

Combine like terms: 10x + -10x = 0
90 + -12x = 0

Add '-90' to each side of the equation.
90 + -90 + -12x = 0 + -90

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

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

Divide each side by '-12'.
x = 7.5

Simplifying
x = 7.5

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