120+X=4X+X

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Solution for 120+X=4X+X equation:


Simplifying
120 + X = 4X + X

Combine like terms: 4X + X = 5X
120 + X = 5X

Solving
120 + X = 5X

Solving for variable 'X'.

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

Add '-5X' to each side of the equation.
120 + X + -5X = 5X + -5X

Combine like terms: X + -5X = -4X
120 + -4X = 5X + -5X

Combine like terms: 5X + -5X = 0
120 + -4X = 0

Add '-120' to each side of the equation.
120 + -120 + -4X = 0 + -120

Combine like terms: 120 + -120 = 0
0 + -4X = 0 + -120
-4X = 0 + -120

Combine like terms: 0 + -120 = -120
-4X = -120

Divide each side by '-4'.
X = 30

Simplifying
X = 30

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