(x-1)(y+2)=18

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Solution for (x-1)(y+2)=18 equation:


Simplifying
(x + -1)(y + 2) = 18

Reorder the terms:
(-1 + x)(y + 2) = 18

Reorder the terms:
(-1 + x)(2 + y) = 18

Multiply (-1 + x) * (2 + y)
(-1(2 + y) + x(2 + y)) = 18
((2 * -1 + y * -1) + x(2 + y)) = 18
((-2 + -1y) + x(2 + y)) = 18
(-2 + -1y + (2 * x + y * x)) = 18
(-2 + -1y + (2x + xy)) = 18

Reorder the terms:
(-2 + 2x + xy + -1y) = 18
(-2 + 2x + xy + -1y) = 18

Solving
-2 + 2x + xy + -1y = 18

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2x + xy + 2 + -1y = 18 + 2

Reorder the terms:
-2 + 2 + 2x + xy + -1y = 18 + 2

Combine like terms: -2 + 2 = 0
0 + 2x + xy + -1y = 18 + 2
2x + xy + -1y = 18 + 2

Combine like terms: 18 + 2 = 20
2x + xy + -1y = 20

Add 'y' to each side of the equation.
2x + xy + -1y + y = 20 + y

Combine like terms: -1y + y = 0
2x + xy + 0 = 20 + y
2x + xy = 20 + y

Reorder the terms:
-20 + 2x + xy + -1y = 20 + y + -20 + -1y

Reorder the terms:
-20 + 2x + xy + -1y = 20 + -20 + y + -1y

Combine like terms: 20 + -20 = 0
-20 + 2x + xy + -1y = 0 + y + -1y
-20 + 2x + xy + -1y = y + -1y

Combine like terms: y + -1y = 0
-20 + 2x + xy + -1y = 0

The solution to this equation could not be determined.

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