-3x+12=9(x-4)

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Solution for -3x+12=9(x-4) equation:


Simplifying
-3x + 12 = 9(x + -4)

Reorder the terms:
12 + -3x = 9(x + -4)

Reorder the terms:
12 + -3x = 9(-4 + x)
12 + -3x = (-4 * 9 + x * 9)
12 + -3x = (-36 + 9x)

Solving
12 + -3x = -36 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
12 + -3x + -9x = -36 + 9x + -9x

Combine like terms: -3x + -9x = -12x
12 + -12x = -36 + 9x + -9x

Combine like terms: 9x + -9x = 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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