X+y-15=

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Solution for X+y-15= equation:


Simplifying
X + y + -15 = 0

Reorder the terms:
-15 + X + y = 0

Solving
-15 + X + y = 0

Solving for variable 'X'.

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

Add '15' to each side of the equation.
-15 + X + 15 + y = 0 + 15

Reorder the terms:
-15 + 15 + X + y = 0 + 15

Combine like terms: -15 + 15 = 0
0 + X + y = 0 + 15
X + y = 0 + 15

Combine like terms: 0 + 15 = 15
X + y = 15

Add '-1y' to each side of the equation.
X + y + -1y = 15 + -1y

Combine like terms: y + -1y = 0
X + 0 = 15 + -1y
X = 15 + -1y

Simplifying
X = 15 + -1y

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