-81=6y+7y-16

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Solution for -81=6y+7y-16 equation:


Simplifying
-81 = 6y + 7y + -16

Reorder the terms:
-81 = -16 + 6y + 7y

Combine like terms: 6y + 7y = 13y
-81 = -16 + 13y

Solving
-81 = -16 + 13y

Solving for variable 'y'.

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

Add '-13y' to each side of the equation.
-81 + -13y = -16 + 13y + -13y

Combine like terms: 13y + -13y = 0
-81 + -13y = -16 + 0
-81 + -13y = -16

Add '81' to each side of the equation.
-81 + 81 + -13y = -16 + 81

Combine like terms: -81 + 81 = 0
0 + -13y = -16 + 81
-13y = -16 + 81

Combine like terms: -16 + 81 = 65
-13y = 65

Divide each side by '-13'.
y = -5

Simplifying
y = -5

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