3x+30=2x-12

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Solution for 3x+30=2x-12 equation:


Simplifying
3x + 30 = 2x + -12

Reorder the terms:
30 + 3x = 2x + -12

Reorder the terms:
30 + 3x = -12 + 2x

Solving
30 + 3x = -12 + 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.
30 + 3x + -2x = -12 + 2x + -2x

Combine like terms: 3x + -2x = 1x
30 + 1x = -12 + 2x + -2x

Combine like terms: 2x + -2x = 0
30 + 1x = -12 + 0
30 + 1x = -12

Add '-30' to each side of the equation.
30 + -30 + 1x = -12 + -30

Combine like terms: 30 + -30 = 0
0 + 1x = -12 + -30
1x = -12 + -30

Combine like terms: -12 + -30 = -42
1x = -42

Divide each side by '1'.
x = -42

Simplifying
x = -42

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