4x-4(-2x-20)=-40

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Solution for 4x-4(-2x-20)=-40 equation:


Simplifying
4x + -4(-2x + -20) = -40

Reorder the terms:
4x + -4(-20 + -2x) = -40
4x + (-20 * -4 + -2x * -4) = -40
4x + (80 + 8x) = -40

Reorder the terms:
80 + 4x + 8x = -40

Combine like terms: 4x + 8x = 12x
80 + 12x = -40

Solving
80 + 12x = -40

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 + 12x = -40 + -80

Combine like terms: 80 + -80 = 0
0 + 12x = -40 + -80
12x = -40 + -80

Combine like terms: -40 + -80 = -120
12x = -120

Divide each side by '12'.
x = -10

Simplifying
x = -10

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