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

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


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

Reorder the terms:
-20 = 4(4 + 2x) + -4
-20 = (4 * 4 + 2x * 4) + -4
-20 = (16 + 8x) + -4

Reorder the terms:
-20 = 16 + -4 + 8x

Combine like terms: 16 + -4 = 12
-20 = 12 + 8x

Solving
-20 = 12 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-20 + -8x = 12 + 8x + -8x

Combine like terms: 8x + -8x = 0
-20 + -8x = 12 + 0
-20 + -8x = 12

Add '20' to each side of the equation.
-20 + 20 + -8x = 12 + 20

Combine like terms: -20 + 20 = 0
0 + -8x = 12 + 20
-8x = 12 + 20

Combine like terms: 12 + 20 = 32
-8x = 32

Divide each side by '-8'.
x = -4

Simplifying
x = -4

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