12x-9(3x-12)=78

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Solution for 12x-9(3x-12)=78 equation:


Simplifying
12x + -9(3x + -12) = 78

Reorder the terms:
12x + -9(-12 + 3x) = 78
12x + (-12 * -9 + 3x * -9) = 78
12x + (108 + -27x) = 78

Reorder the terms:
108 + 12x + -27x = 78

Combine like terms: 12x + -27x = -15x
108 + -15x = 78

Solving
108 + -15x = 78

Solving for variable 'x'.

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

Add '-108' to each side of the equation.
108 + -108 + -15x = 78 + -108

Combine like terms: 108 + -108 = 0
0 + -15x = 78 + -108
-15x = 78 + -108

Combine like terms: 78 + -108 = -30
-15x = -30

Divide each side by '-15'.
x = 2

Simplifying
x = 2

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