20-(-3x-8x)-(5x+8x)=

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Solution for 20-(-3x-8x)-(5x+8x)= equation:


Simplifying
20 + -1(-3x + -8x) + -1(5x + 8x) = 0

Combine like terms: -3x + -8x = -11x
20 + -1(-11x) + -1(5x + 8x) = 0

Remove parenthesis around (-11x)
20 + -1 * -11x + -1(5x + 8x) = 0

Multiply -1 * -11
20 + 11x + -1(5x + 8x) = 0

Combine like terms: 5x + 8x = 13x
20 + 11x + -1(13x) = 0

Remove parenthesis around (13x)
20 + 11x + -1 * 13x = 0

Multiply -1 * 13
20 + 11x + -13x = 0

Combine like terms: 11x + -13x = -2x
20 + -2x = 0

Solving
20 + -2x = 0

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -2x = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -2x = 0 + -20
-2x = 0 + -20

Combine like terms: 0 + -20 = -20
-2x = -20

Divide each side by '-2'.
x = 10

Simplifying
x = 10

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