x+y+z=18

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Solution for x+y+z=18 equation:


Simplifying
x + y + z = 18

Solving
x + y + z = 18

Solving for variable 'x'.

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

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

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

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

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

Simplifying
x = 18 + -1y + -1z

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