12x+18=6x+138

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Solution for 12x+18=6x+138 equation:


Simplifying
12x + 18 = 6x + 138

Reorder the terms:
18 + 12x = 6x + 138

Reorder the terms:
18 + 12x = 138 + 6x

Solving
18 + 12x = 138 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
18 + 12x + -6x = 138 + 6x + -6x

Combine like terms: 12x + -6x = 6x
18 + 6x = 138 + 6x + -6x

Combine like terms: 6x + -6x = 0
18 + 6x = 138 + 0
18 + 6x = 138

Add '-18' to each side of the equation.
18 + -18 + 6x = 138 + -18

Combine like terms: 18 + -18 = 0
0 + 6x = 138 + -18
6x = 138 + -18

Combine like terms: 138 + -18 = 120
6x = 120

Divide each side by '6'.
x = 20

Simplifying
x = 20

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