20+x=8-2x

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Solution for 20+x=8-2x equation:


Simplifying
20 + x = 8 + -2x

Solving
20 + x = 8 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
20 + x + 2x = 8 + -2x + 2x

Combine like terms: x + 2x = 3x
20 + 3x = 8 + -2x + 2x

Combine like terms: -2x + 2x = 0
20 + 3x = 8 + 0
20 + 3x = 8

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

Combine like terms: 20 + -20 = 0
0 + 3x = 8 + -20
3x = 8 + -20

Combine like terms: 8 + -20 = -12
3x = -12

Divide each side by '3'.
x = -4

Simplifying
x = -4

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