20-9x=-5(7x+2)-5(-4-5x)

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Solution for 20-9x=-5(7x+2)-5(-4-5x) equation:


Simplifying
20 + -9x = -5(7x + 2) + -5(-4 + -5x)

Reorder the terms:
20 + -9x = -5(2 + 7x) + -5(-4 + -5x)
20 + -9x = (2 * -5 + 7x * -5) + -5(-4 + -5x)
20 + -9x = (-10 + -35x) + -5(-4 + -5x)
20 + -9x = -10 + -35x + (-4 * -5 + -5x * -5)
20 + -9x = -10 + -35x + (20 + 25x)

Reorder the terms:
20 + -9x = -10 + 20 + -35x + 25x

Combine like terms: -10 + 20 = 10
20 + -9x = 10 + -35x + 25x

Combine like terms: -35x + 25x = -10x
20 + -9x = 10 + -10x

Solving
20 + -9x = 10 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
20 + -9x + 10x = 10 + -10x + 10x

Combine like terms: -9x + 10x = 1x
20 + 1x = 10 + -10x + 10x

Combine like terms: -10x + 10x = 0
20 + 1x = 10 + 0
20 + 1x = 10

Add '-20' to each side of the equation.
20 + -20 + 1x = 10 + -20

Combine like terms: 20 + -20 = 0
0 + 1x = 10 + -20
1x = 10 + -20

Combine like terms: 10 + -20 = -10
1x = -10

Divide each side by '1'.
x = -10

Simplifying
x = -10

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