5x-4(-4x-16)=-125

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Solution for 5x-4(-4x-16)=-125 equation:


Simplifying
5x + -4(-4x + -16) = -125

Reorder the terms:
5x + -4(-16 + -4x) = -125
5x + (-16 * -4 + -4x * -4) = -125
5x + (64 + 16x) = -125

Reorder the terms:
64 + 5x + 16x = -125

Combine like terms: 5x + 16x = 21x
64 + 21x = -125

Solving
64 + 21x = -125

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 + 21x = -125 + -64

Combine like terms: 64 + -64 = 0
0 + 21x = -125 + -64
21x = -125 + -64

Combine like terms: -125 + -64 = -189
21x = -189

Divide each side by '21'.
x = -9

Simplifying
x = -9

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