-2z-xy=x+7

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Solution for -2z-xy=x+7 equation:


Simplifying
-2z + -1xy = x + 7

Reorder the terms:
-1xy + -2z = x + 7

Reorder the terms:
-1xy + -2z = 7 + x

Solving
-1xy + -2z = 7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-1xy + -1x + -2z = 7 + x + -1x

Reorder the terms:
-1x + -1xy + -2z = 7 + x + -1x

Combine like terms: x + -1x = 0
-1x + -1xy + -2z = 7 + 0
-1x + -1xy + -2z = 7

Add '2z' to each side of the equation.
-1x + -1xy + -2z + 2z = 7 + 2z

Combine like terms: -2z + 2z = 0
-1x + -1xy + 0 = 7 + 2z
-1x + -1xy = 7 + 2z

Reorder the terms:
-7 + -1x + -1xy + -2z = 7 + 2z + -7 + -2z

Reorder the terms:
-7 + -1x + -1xy + -2z = 7 + -7 + 2z + -2z

Combine like terms: 7 + -7 = 0
-7 + -1x + -1xy + -2z = 0 + 2z + -2z
-7 + -1x + -1xy + -2z = 2z + -2z

Combine like terms: 2z + -2z = 0
-7 + -1x + -1xy + -2z = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(7 + x + xy + 2z) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(7 + x + xy + 2z)' equal to zero and attempt to solve: Simplifying 7 + x + xy + 2z = 0 Solving 7 + x + xy + 2z = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + x + xy + -7 + 2z = 0 + -7 Reorder the terms: 7 + -7 + x + xy + 2z = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x + xy + 2z = 0 + -7 x + xy + 2z = 0 + -7 Combine like terms: 0 + -7 = -7 x + xy + 2z = -7 Add '-2z' to each side of the equation. x + xy + 2z + -2z = -7 + -2z Combine like terms: 2z + -2z = 0 x + xy + 0 = -7 + -2z x + xy = -7 + -2z The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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