x+18=30+3x

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Solution for x+18=30+3x equation:


Simplifying
x + 18 = 30 + 3x

Reorder the terms:
18 + x = 30 + 3x

Solving
18 + x = 30 + 3x

Solving for variable 'x'.

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

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

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

Combine like terms: 3x + -3x = 0
18 + -2x = 30 + 0
18 + -2x = 30

Add '-18' to each side of the equation.
18 + -18 + -2x = 30 + -18

Combine like terms: 18 + -18 = 0
0 + -2x = 30 + -18
-2x = 30 + -18

Combine like terms: 30 + -18 = 12
-2x = 12

Divide each side by '-2'.
x = -6

Simplifying
x = -6

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