20+x-4=2x-8

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Solution for 20+x-4=2x-8 equation:


Simplifying
20 + x + -4 = 2x + -8

Reorder the terms:
20 + -4 + x = 2x + -8

Combine like terms: 20 + -4 = 16
16 + x = 2x + -8

Reorder the terms:
16 + x = -8 + 2x

Solving
16 + 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.
16 + x + -2x = -8 + 2x + -2x

Combine like terms: x + -2x = -1x
16 + -1x = -8 + 2x + -2x

Combine like terms: 2x + -2x = 0
16 + -1x = -8 + 0
16 + -1x = -8

Add '-16' to each side of the equation.
16 + -16 + -1x = -8 + -16

Combine like terms: 16 + -16 = 0
0 + -1x = -8 + -16
-1x = -8 + -16

Combine like terms: -8 + -16 = -24
-1x = -24

Divide each side by '-1'.
x = 24

Simplifying
x = 24

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