18-2x=2x+20

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Solution for 18-2x=2x+20 equation:


Simplifying
18 + -2x = 2x + 20

Reorder the terms:
18 + -2x = 20 + 2x

Solving
18 + -2x = 20 + 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.
18 + -2x + -2x = 20 + 2x + -2x

Combine like terms: -2x + -2x = -4x
18 + -4x = 20 + 2x + -2x

Combine like terms: 2x + -2x = 0
18 + -4x = 20 + 0
18 + -4x = 20

Add '-18' to each side of the equation.
18 + -18 + -4x = 20 + -18

Combine like terms: 18 + -18 = 0
0 + -4x = 20 + -18
-4x = 20 + -18

Combine like terms: 20 + -18 = 2
-4x = 2

Divide each side by '-4'.
x = -0.5

Simplifying
x = -0.5

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