3(-4+7x)=-12

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Solution for 3(-4+7x)=-12 equation: 


Simplifying
3(-4 + 7x) = -12
(-4 * 3 + 7x * 3) = -12
(-12 + 21x) = -12

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

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

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

Solving
21x = 0

Solving for variable 'x'.

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

Divide each side by '21'.
x = 0

Simplifying
x = 0

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