90-(-x+3)=4x

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Solution for 90-(-x+3)=4x equation:


Simplifying
90 + -1(-1x + 3) = 4x

Reorder the terms:
90 + -1(3 + -1x) = 4x
90 + (3 * -1 + -1x * -1) = 4x
90 + (-3 + 1x) = 4x

Combine like terms: 90 + -3 = 87
87 + 1x = 4x

Solving
87 + 1x = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
87 + 1x + -4x = 4x + -4x

Combine like terms: 1x + -4x = -3x
87 + -3x = 4x + -4x

Combine like terms: 4x + -4x = 0
87 + -3x = 0

Add '-87' to each side of the equation.
87 + -87 + -3x = 0 + -87

Combine like terms: 87 + -87 = 0
0 + -3x = 0 + -87
-3x = 0 + -87

Combine like terms: 0 + -87 = -87
-3x = -87

Divide each side by '-3'.
x = 29

Simplifying
x = 29

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