4x-420=x

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Solution for 4x-420=x equation:


Simplifying
4x + -420 = x

Reorder the terms:
-420 + 4x = x

Solving
-420 + 4x = 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.
-420 + 4x + -1x = x + -1x

Combine like terms: 4x + -1x = 3x
-420 + 3x = x + -1x

Combine like terms: x + -1x = 0
-420 + 3x = 0

Add '420' to each side of the equation.
-420 + 420 + 3x = 0 + 420

Combine like terms: -420 + 420 = 0
0 + 3x = 0 + 420
3x = 0 + 420

Combine like terms: 0 + 420 = 420
3x = 420

Divide each side by '3'.
x = 140

Simplifying
x = 140

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