3x-12=-3x-30

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


Simplifying
3x + -12 = -3x + -30

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

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

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

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-12 + 3x + 3x = -30 + -3x + 3x

Combine like terms: 3x + 3x = 6x
-12 + 6x = -30 + -3x + 3x

Combine like terms: -3x + 3x = 0
-12 + 6x = -30 + 0
-12 + 6x = -30

Add '12' to each side of the equation.
-12 + 12 + 6x = -30 + 12

Combine like terms: -12 + 12 = 0
0 + 6x = -30 + 12
6x = -30 + 12

Combine like terms: -30 + 12 = -18
6x = -18

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

Simplifying
x = -3

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