-2x(-1+7)-4=-20+4x

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Solution for -2x(-1+7)-4=-20+4x equation:


Simplifying
-2x(-1 + 7) + -4 = -20 + 4x

Combine like terms: -1 + 7 = 6
-2x(6) + -4 = -20 + 4x

Reorder the terms for easier multiplication:
-2 * 6x + -4 = -20 + 4x

Multiply -2 * 6
-12x + -4 = -20 + 4x

Reorder the terms:
-4 + -12x = -20 + 4x

Solving
-4 + -12x = -20 + 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.
-4 + -12x + -4x = -20 + 4x + -4x

Combine like terms: -12x + -4x = -16x
-4 + -16x = -20 + 4x + -4x

Combine like terms: 4x + -4x = 0
-4 + -16x = -20 + 0
-4 + -16x = -20

Add '4' to each side of the equation.
-4 + 4 + -16x = -20 + 4

Combine like terms: -4 + 4 = 0
0 + -16x = -20 + 4
-16x = -20 + 4

Combine like terms: -20 + 4 = -16
-16x = -16

Divide each side by '-16'.
x = 1

Simplifying
x = 1

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