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

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


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

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

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

Combine like terms: 4x + -4x = 0
8 + 0 = x + 20
8 = x + 20

Reorder the terms:
8 = 20 + x

Solving
8 = 20 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
8 + -1x = 20 + x + -1x

Combine like terms: x + -1x = 0
8 + -1x = 20 + 0
8 + -1x = 20

Add '-8' to each side of the equation.
8 + -8 + -1x = 20 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 20 + -8
-1x = 20 + -8

Combine like terms: 20 + -8 = 12
-1x = 12

Divide each side by '-1'.
x = -12

Simplifying
x = -12

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