-72=3x-3(4x-9)

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Solution for -72=3x-3(4x-9) equation:


Simplifying
-72 = 3x + -3(4x + -9)

Reorder the terms:
-72 = 3x + -3(-9 + 4x)
-72 = 3x + (-9 * -3 + 4x * -3)
-72 = 3x + (27 + -12x)

Reorder the terms:
-72 = 27 + 3x + -12x

Combine like terms: 3x + -12x = -9x
-72 = 27 + -9x

Solving
-72 = 27 + -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.
-72 + 9x = 27 + -9x + 9x

Combine like terms: -9x + 9x = 0
-72 + 9x = 27 + 0
-72 + 9x = 27

Add '72' to each side of the equation.
-72 + 72 + 9x = 27 + 72

Combine like terms: -72 + 72 = 0
0 + 9x = 27 + 72
9x = 27 + 72

Combine like terms: 27 + 72 = 99
9x = 99

Divide each side by '9'.
x = 11

Simplifying
x = 11

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