2y-7y-8y=81findy

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Solution for 2y-7y-8y=81findy equation: 


Simplifying
2y + -7y + -8y = 81findy

Combine like terms: 2y + -7y = -5y
-5y + -8y = 81findy

Combine like terms: -5y + -8y = -13y
-13y = 81findy

Solving
-13y = 81dfiny

Solving for variable 'y'.

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

Add '-81dfiny' to each side of the equation.
-81dfiny + -13y = 81dfiny + -81dfiny

Combine like terms: 81dfiny + -81dfiny = 0
-81dfiny + -13y = 0

Factor out the Greatest Common Factor (GCF), '-1y'.
-1y(81dfin + 13) = 0

Ignore the factor -1.

Subproblem 1
Set the factor 'y' equal to zero and attempt to solve:

Simplifying
y = 0

Solving
y = 0

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

Simplifying
y = 0

Subproblem 2
Set the factor '(81dfin + 13)' equal to zero and attempt to solve:

Simplifying
81dfin + 13 = 0

Reorder the terms:
13 + 81dfin = 0

Solving
13 + 81dfin = 0

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

Add '-13' to each side of the equation.
13 + -13 + 81dfin = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 81dfin = 0 + -13
81dfin = 0 + -13

Combine like terms: 0 + -13 = -13
81dfin = -13

Add '-81dfin' to each side of the equation.
81dfin + -81dfin = -13 + -81dfin

Combine like terms: 81dfin + -81dfin = 0
0 = -13 + -81dfin

Simplifying
0 = -13 + -81dfin

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
y = {0}

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