5x+12=3x-18+3x

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Solution for 5x+12=3x-18+3x equation:


Simplifying
5x + 12 = 3x + -18 + 3x

Reorder the terms:
12 + 5x = 3x + -18 + 3x

Reorder the terms:
12 + 5x = -18 + 3x + 3x

Combine like terms: 3x + 3x = 6x
12 + 5x = -18 + 6x

Solving
12 + 5x = -18 + 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.
12 + 5x + -6x = -18 + 6x + -6x

Combine like terms: 5x + -6x = -1x
12 + -1x = -18 + 6x + -6x

Combine like terms: 6x + -6x = 0
12 + -1x = -18 + 0
12 + -1x = -18

Add '-12' to each side of the equation.
12 + -12 + -1x = -18 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = -18 + -12
-1x = -18 + -12

Combine like terms: -18 + -12 = -30
-1x = -30

Divide each side by '-1'.
x = 30

Simplifying
x = 30

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