-3(x-4)=12(1+7x)

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Solution for -3(x-4)=12(1+7x) equation:


Simplifying
-3(x + -4) = 12(1 + 7x)

Reorder the terms:
-3(-4 + x) = 12(1 + 7x)
(-4 * -3 + x * -3) = 12(1 + 7x)
(12 + -3x) = 12(1 + 7x)
12 + -3x = (1 * 12 + 7x * 12)
12 + -3x = (12 + 84x)

Add '-12' to each side of the equation.
12 + -12 + -3x = 12 + -12 + 84x

Combine like terms: 12 + -12 = 0
0 + -3x = 12 + -12 + 84x
-3x = 12 + -12 + 84x

Combine like terms: 12 + -12 = 0
-3x = 0 + 84x
-3x = 84x

Solving
-3x = 84x

Solving for variable 'x'.

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

Add '-84x' to each side of the equation.
-3x + -84x = 84x + -84x

Combine like terms: -3x + -84x = -87x
-87x = 84x + -84x

Combine like terms: 84x + -84x = 0
-87x = 0

Divide each side by '-87'.
x = 0

Simplifying
x = 0

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