80-x=4x-30

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Solution for 80-x=4x-30 equation:


Simplifying
80 + -1x = 4x + -30

Reorder the terms:
80 + -1x = -30 + 4x

Solving
80 + -1x = -30 + 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.
80 + -1x + -4x = -30 + 4x + -4x

Combine like terms: -1x + -4x = -5x
80 + -5x = -30 + 4x + -4x

Combine like terms: 4x + -4x = 0
80 + -5x = -30 + 0
80 + -5x = -30

Add '-80' to each side of the equation.
80 + -80 + -5x = -30 + -80

Combine like terms: 80 + -80 = 0
0 + -5x = -30 + -80
-5x = -30 + -80

Combine like terms: -30 + -80 = -110
-5x = -110

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

Simplifying
x = 22

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