-20=-4(4x-5)

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Solution for -20=-4(4x-5) equation:


Simplifying
-20 = -4(4x + -5)

Reorder the terms:
-20 = -4(-5 + 4x)
-20 = (-5 * -4 + 4x * -4)
-20 = (20 + -16x)

Solving
-20 = 20 + -16x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: 20 + 20 = 40
16x = 40

Divide each side by '16'.
x = 2.5

Simplifying
x = 2.5

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