64=-4(-5x+4)

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Solution for 64=-4(-5x+4) equation:


Simplifying
64 = -4(-5x + 4)

Reorder the terms:
64 = -4(4 + -5x)
64 = (4 * -4 + -5x * -4)
64 = (-16 + 20x)

Solving
64 = -16 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
64 + -20x = -16 + 20x + -20x

Combine like terms: 20x + -20x = 0
64 + -20x = -16 + 0
64 + -20x = -16

Add '-64' to each side of the equation.
64 + -64 + -20x = -16 + -64

Combine like terms: 64 + -64 = 0
0 + -20x = -16 + -64
-20x = -16 + -64

Combine like terms: -16 + -64 = -80
-20x = -80

Divide each side by '-20'.
x = 4

Simplifying
x = 4

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