90=(2x-10)+(3x-10)

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Solution for 90=(2x-10)+(3x-10) equation:


Simplifying
90 = (2x + -10) + (3x + -10)

Reorder the terms:
90 = (-10 + 2x) + (3x + -10)

Remove parenthesis around (-10 + 2x)
90 = -10 + 2x + (3x + -10)

Reorder the terms:
90 = -10 + 2x + (-10 + 3x)

Remove parenthesis around (-10 + 3x)
90 = -10 + 2x + -10 + 3x

Reorder the terms:
90 = -10 + -10 + 2x + 3x

Combine like terms: -10 + -10 = -20
90 = -20 + 2x + 3x

Combine like terms: 2x + 3x = 5x
90 = -20 + 5x

Solving
90 = -20 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
90 + -5x = -20 + 5x + -5x

Combine like terms: 5x + -5x = 0
90 + -5x = -20 + 0
90 + -5x = -20

Add '-90' to each side of the equation.
90 + -90 + -5x = -20 + -90

Combine like terms: 90 + -90 = 0
0 + -5x = -20 + -90
-5x = -20 + -90

Combine like terms: -20 + -90 = -110
-5x = -110

Divide each side by '-5'.
x = 22

Simplifying
x = 22

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