90-4x=10x+20

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Solution for 90-4x=10x+20 equation:


Simplifying
90 + -4x = 10x + 20

Reorder the terms:
90 + -4x = 20 + 10x

Solving
90 + -4x = 20 + 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 + -4x + -10x = 20 + 10x + -10x

Combine like terms: -4x + -10x = -14x
90 + -14x = 20 + 10x + -10x

Combine like terms: 10x + -10x = 0
90 + -14x = 20 + 0
90 + -14x = 20

Add '-90' to each side of the equation.
90 + -90 + -14x = 20 + -90

Combine like terms: 90 + -90 = 0
0 + -14x = 20 + -90
-14x = 20 + -90

Combine like terms: 20 + -90 = -70
-14x = -70

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

Simplifying
x = 5

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