2y-7y-4-y=81

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Solution for 2y-7y-4-y=81 equation:


Simplifying
2y + -7y + -4 + -1y = 81

Reorder the terms:
-4 + 2y + -7y + -1y = 81

Combine like terms: 2y + -7y = -5y
-4 + -5y + -1y = 81

Combine like terms: -5y + -1y = -6y
-4 + -6y = 81

Solving
-4 + -6y = 81

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + -6y = 81 + 4

Combine like terms: -4 + 4 = 0
0 + -6y = 81 + 4
-6y = 81 + 4

Combine like terms: 81 + 4 = 85
-6y = 85

Divide each side by '-6'.
y = -14.16666667

Simplifying
y = -14.16666667

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