-7x-3(-x+12)=-72

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Solution for -7x-3(-x+12)=-72 equation:


Simplifying
-7x + -3(-1x + 12) = -72

Reorder the terms:
-7x + -3(12 + -1x) = -72
-7x + (12 * -3 + -1x * -3) = -72
-7x + (-36 + 3x) = -72

Reorder the terms:
-36 + -7x + 3x = -72

Combine like terms: -7x + 3x = -4x
-36 + -4x = -72

Solving
-36 + -4x = -72

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + -4x = -72 + 36

Combine like terms: -36 + 36 = 0
0 + -4x = -72 + 36
-4x = -72 + 36

Combine like terms: -72 + 36 = -36
-4x = -36

Divide each side by '-4'.
x = 9

Simplifying
x = 9

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