90+4x=x+-30

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Solution for 90+4x=x+-30 equation:


Simplifying
90 + 4x = x + -30

Reorder the terms:
90 + 4x = -30 + x

Solving
90 + 4x = -30 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
90 + 4x + -1x = -30 + x + -1x

Combine like terms: 4x + -1x = 3x
90 + 3x = -30 + x + -1x

Combine like terms: x + -1x = 0
90 + 3x = -30 + 0
90 + 3x = -30

Add '-90' to each side of the equation.
90 + -90 + 3x = -30 + -90

Combine like terms: 90 + -90 = 0
0 + 3x = -30 + -90
3x = -30 + -90

Combine like terms: -30 + -90 = -120
3x = -120

Divide each side by '3'.
x = -40

Simplifying
x = -40

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