3x-3(5x+4)=-72

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Solution for 3x-3(5x+4)=-72 equation:


Simplifying
3x + -3(5x + 4) = -72

Reorder the terms:
3x + -3(4 + 5x) = -72
3x + (4 * -3 + 5x * -3) = -72
3x + (-12 + -15x) = -72

Reorder the terms:
-12 + 3x + -15x = -72

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

Solving
-12 + -12x = -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 + -12x = -72 + 12

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

Combine like terms: -72 + 12 = -60
-12x = -60

Divide each side by '-12'.
x = 5

Simplifying
x = 5

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