18-2x=30+x

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Solution for 18-2x=30+x equation:


Simplifying
18 + -2x = 30 + x

Solving
18 + -2x = 30 + x

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.
18 + -2x + -1x = 30 + x + -1x

Combine like terms: -2x + -1x = -3x
18 + -3x = 30 + x + -1x

Combine like terms: x + -1x = 0
18 + -3x = 30 + 0
18 + -3x = 30

Add '-18' to each side of the equation.
18 + -18 + -3x = 30 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = 30 + -18
-3x = 30 + -18

Combine like terms: 30 + -18 = 12
-3x = 12

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

Simplifying
x = -4

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