20-(8+x)=-(-x)+29

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Solution for 20-(8+x)=-(-x)+29 equation:


Simplifying
20 + -1(8 + x) = -1(-1x) + 29
20 + (8 * -1 + x * -1) = -1(-1x) + 29
20 + (-8 + -1x) = -1(-1x) + 29

Combine like terms: 20 + -8 = 12
12 + -1x = -1(-1x) + 29

Remove parenthesis around (-1x)
12 + -1x = -1 * -1x + 29

Multiply -1 * -1
12 + -1x = 1x + 29

Reorder the terms:
12 + -1x = 29 + 1x

Solving
12 + -1x = 29 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
12 + -1x + -1x = 29 + 1x + -1x

Combine like terms: -1x + -1x = -2x
12 + -2x = 29 + 1x + -1x

Combine like terms: 1x + -1x = 0
12 + -2x = 29 + 0
12 + -2x = 29

Add '-12' to each side of the equation.
12 + -12 + -2x = 29 + -12

Combine like terms: 12 + -12 = 0
0 + -2x = 29 + -12
-2x = 29 + -12

Combine like terms: 29 + -12 = 17
-2x = 17

Divide each side by '-2'.
x = -8.5

Simplifying
x = -8.5

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