7y-xy=-x-4

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Solution for 7y-xy=-x-4 equation:


Simplifying
7y + -1xy = -1x + -4

Reorder the terms:
-1xy + 7y = -1x + -4

Reorder the terms:
-1xy + 7y = -4 + -1x

Solving
-1xy + 7y = -4 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-1xy + x + 7y = -4 + -1x + x

Reorder the terms:
x + -1xy + 7y = -4 + -1x + x

Combine like terms: -1x + x = 0
x + -1xy + 7y = -4 + 0
x + -1xy + 7y = -4

Add '-7y' to each side of the equation.
x + -1xy + 7y + -7y = -4 + -7y

Combine like terms: 7y + -7y = 0
x + -1xy + 0 = -4 + -7y
x + -1xy = -4 + -7y

Reorder the terms:
4 + x + -1xy + 7y = -4 + -7y + 4 + 7y

Reorder the terms:
4 + x + -1xy + 7y = -4 + 4 + -7y + 7y

Combine like terms: -4 + 4 = 0
4 + x + -1xy + 7y = 0 + -7y + 7y
4 + x + -1xy + 7y = -7y + 7y

Combine like terms: -7y + 7y = 0
4 + x + -1xy + 7y = 0

The solution to this equation could not be determined.

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