3x+12=15x-36

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Solution for 3x+12=15x-36 equation:


Simplifying
3x + 12 = 15x + -36

Reorder the terms:
12 + 3x = 15x + -36

Reorder the terms:
12 + 3x = -36 + 15x

Solving
12 + 3x = -36 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
12 + 3x + -15x = -36 + 15x + -15x

Combine like terms: 3x + -15x = -12x
12 + -12x = -36 + 15x + -15x

Combine like terms: 15x + -15x = 0
12 + -12x = -36 + 0
12 + -12x = -36

Add '-12' to each side of the equation.
12 + -12 + -12x = -36 + -12

Combine like terms: 12 + -12 = 0
0 + -12x = -36 + -12
-12x = -36 + -12

Combine like terms: -36 + -12 = -48
-12x = -48

Divide each side by '-12'.
x = 4

Simplifying
x = 4

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