3(4x-7)=-129

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Solution for 3(4x-7)=-129 equation:


Simplifying
3(4x + -7) = -129

Reorder the terms:
3(-7 + 4x) = -129
(-7 * 3 + 4x * 3) = -129
(-21 + 12x) = -129

Solving
-21 + 12x = -129

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 12x = -129 + 21

Combine like terms: -21 + 21 = 0
0 + 12x = -129 + 21
12x = -129 + 21

Combine like terms: -129 + 21 = -108
12x = -108

Divide each side by '12'.
x = -9

Simplifying
x = -9

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