x+y+18=0

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Solution for x+y+18=0 equation:


Simplifying
x + y + 18 = 0

Reorder the terms:
18 + x + y = 0

Solving
18 + x + y = 0

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + x + -18 + y = 0 + -18

Reorder the terms:
18 + -18 + x + y = 0 + -18

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

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

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

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

Simplifying
x = -18 + -1y

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