30+x+2x-12=108

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Solution for 30+x+2x-12=108 equation:


Simplifying
30 + x + 2x + -12 = 108

Reorder the terms:
30 + -12 + x + 2x = 108

Combine like terms: 30 + -12 = 18
18 + x + 2x = 108

Combine like terms: x + 2x = 3x
18 + 3x = 108

Solving
18 + 3x = 108

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 3x = 108 + -18

Combine like terms: 18 + -18 = 0
0 + 3x = 108 + -18
3x = 108 + -18

Combine like terms: 108 + -18 = 90
3x = 90

Divide each side by '3'.
x = 30

Simplifying
x = 30

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