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

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


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

Reorder the terms:
4 + x = 3(4x + -4) + -7x

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

Combine like terms: 12x + -7x = 5x
4 + x = -12 + 5x

Solving
4 + x = -12 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
4 + x + -5x = -12 + 5x + -5x

Combine like terms: x + -5x = -4x
4 + -4x = -12 + 5x + -5x

Combine like terms: 5x + -5x = 0
4 + -4x = -12 + 0
4 + -4x = -12

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

Combine like terms: 4 + -4 = 0
0 + -4x = -12 + -4
-4x = -12 + -4

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

Divide each side by '-4'.
x = 4

Simplifying
x = 4

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