-4(x-16)=-20

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Solution for -4(x-16)=-20 equation: 


Simplifying
-4(x + -16) = -20

Reorder the terms:
-4(-16 + x) = -20
(-16 * -4 + x * -4) = -20
(64 + -4x) = -20

Solving
64 + -4x = -20

Solving for variable 'x'.

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

Add '-64' to each side of the equation.
64 + -64 + -4x = -20 + -64

Combine like terms: 64 + -64 = 0
0 + -4x = -20 + -64
-4x = -20 + -64

Combine like terms: -20 + -64 = -84
-4x = -84

Divide each side by '-4'.
x = 21

Simplifying
x = 21

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