30=18+x+y

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Solution for 30=18+x+y equation:


Simplifying
30 = 18 + x + y

Solving
30 = 18 + x + y

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 + -1x = 18 + x + -1x + y

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

Add '-30' to each side of the equation.
30 + -30 + -1x = 18 + -30 + y

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

Combine like terms: 18 + -30 = -12
-1x = -12 + y

Divide each side by '-1'.
x = 12 + -1y

Simplifying
x = 12 + -1y

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