X-y+7=0

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Solution for X-y+7=0 equation:


Simplifying
X + -1y + 7 = 0

Reorder the terms:
7 + X + -1y = 0

Solving
7 + X + -1y = 0

Solving for variable 'X'.

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

Add '-7' to each side of the equation.
7 + X + -7 + -1y = 0 + -7

Reorder the terms:
7 + -7 + X + -1y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + X + -1y = 0 + -7
X + -1y = 0 + -7

Combine like terms: 0 + -7 = -7
X + -1y = -7

Add 'y' to each side of the equation.
X + -1y + y = -7 + y

Combine like terms: -1y + y = 0
X + 0 = -7 + y
X = -7 + y

Simplifying
X = -7 + y

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