-4(-20+x)=-64

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Solution for -4(-20+x)=-64 equation: 


Simplifying
-4(-20 + x) = -64
(-20 * -4 + x * -4) = -64
(80 + -4x) = -64

Solving
80 + -4x = -64

Solving for variable 'x'.

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

Add '-80' to each side of the equation.
80 + -80 + -4x = -64 + -80

Combine like terms: 80 + -80 = 0
0 + -4x = -64 + -80
-4x = -64 + -80

Combine like terms: -64 + -80 = -144
-4x = -144

Divide each side by '-4'.
x = 36

Simplifying
x = 36

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