5x+138=2x+120

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Solution for 5x+138=2x+120 equation:


Simplifying
5x + 138 = 2x + 120

Reorder the terms:
138 + 5x = 2x + 120

Reorder the terms:
138 + 5x = 120 + 2x

Solving
138 + 5x = 120 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
138 + 5x + -2x = 120 + 2x + -2x

Combine like terms: 5x + -2x = 3x
138 + 3x = 120 + 2x + -2x

Combine like terms: 2x + -2x = 0
138 + 3x = 120 + 0
138 + 3x = 120

Add '-138' to each side of the equation.
138 + -138 + 3x = 120 + -138

Combine like terms: 138 + -138 = 0
0 + 3x = 120 + -138
3x = 120 + -138

Combine like terms: 120 + -138 = -18
3x = -18

Divide each side by '3'.
x = -6

Simplifying
x = -6

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