-3(x+4)-12x=72

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Solution for -3(x+4)-12x=72 equation:


Simplifying
-3(x + 4) + -12x = 72

Reorder the terms:
-3(4 + x) + -12x = 72
(4 * -3 + x * -3) + -12x = 72
(-12 + -3x) + -12x = 72

Combine like terms: -3x + -12x = -15x
-12 + -15x = 72

Solving
-12 + -15x = 72

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -15x = 72 + 12

Combine like terms: -12 + 12 = 0
0 + -15x = 72 + 12
-15x = 72 + 12

Combine like terms: 72 + 12 = 84
-15x = 84

Divide each side by '-15'.
x = -5.6

Simplifying
x = -5.6

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