-12[x+7]=4[x-1]

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Solution for -12[x+7]=4[x-1] equation:


Simplifying
-12[x + 7] = 4[x + -1]

Reorder the terms:
-12[7 + x] = 4[x + -1]
[7 * -12 + x * -12] = 4[x + -1]
[-84 + -12x] = 4[x + -1]

Reorder the terms:
-84 + -12x = 4[-1 + x]
-84 + -12x = [-1 * 4 + x * 4]
-84 + -12x = [-4 + 4x]

Solving
-84 + -12x = -4 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-84 + -12x + -4x = -4 + 4x + -4x

Combine like terms: -12x + -4x = -16x
-84 + -16x = -4 + 4x + -4x

Combine like terms: 4x + -4x = 0
-84 + -16x = -4 + 0
-84 + -16x = -4

Add '84' to each side of the equation.
-84 + 84 + -16x = -4 + 84

Combine like terms: -84 + 84 = 0
0 + -16x = -4 + 84
-16x = -4 + 84

Combine like terms: -4 + 84 = 80
-16x = 80

Divide each side by '-16'.
x = -5

Simplifying
x = -5

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