20-3x=4(-2x-5)

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Solution for 20-3x=4(-2x-5) equation:


Simplifying
20 + -3x = 4(-2x + -5)

Reorder the terms:
20 + -3x = 4(-5 + -2x)
20 + -3x = (-5 * 4 + -2x * 4)
20 + -3x = (-20 + -8x)

Solving
20 + -3x = -20 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
20 + -3x + 8x = -20 + -8x + 8x

Combine like terms: -3x + 8x = 5x
20 + 5x = -20 + -8x + 8x

Combine like terms: -8x + 8x = 0
20 + 5x = -20 + 0
20 + 5x = -20

Add '-20' to each side of the equation.
20 + -20 + 5x = -20 + -20

Combine like terms: 20 + -20 = 0
0 + 5x = -20 + -20
5x = -20 + -20

Combine like terms: -20 + -20 = -40
5x = -40

Divide each side by '5'.
x = -8

Simplifying
x = -8

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