xy+y+1=1

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Solution for xy+y+1=1 equation:


Simplifying
xy + y + 1 = 1

Reorder the terms:
1 + xy + y = 1

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

Reorder the terms:
1 + -1 + xy + y = 1 + -1

Combine like terms: 1 + -1 = 0
0 + xy + y = 1 + -1
xy + y = 1 + -1

Combine like terms: 1 + -1 = 0
xy + y = 0

Solving
xy + y = 0

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.
xy + y + -1y = 0 + -1y

Combine like terms: y + -1y = 0
xy + 0 = 0 + -1y
xy = 0 + -1y
Remove the zero:
xy = -1y

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

Simplifying
x = -1

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