5x-30=18+x

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Solution for 5x-30=18+x equation:


Simplifying
5x + -30 = 18 + x

Reorder the terms:
-30 + 5x = 18 + x

Solving
-30 + 5x = 18 + 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.
-30 + 5x + -1x = 18 + x + -1x

Combine like terms: 5x + -1x = 4x
-30 + 4x = 18 + x + -1x

Combine like terms: x + -1x = 0
-30 + 4x = 18 + 0
-30 + 4x = 18

Add '30' to each side of the equation.
-30 + 30 + 4x = 18 + 30

Combine like terms: -30 + 30 = 0
0 + 4x = 18 + 30
4x = 18 + 30

Combine like terms: 18 + 30 = 48
4x = 48

Divide each side by '4'.
x = 12

Simplifying
x = 12

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