91=9y

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Solution for 91=9y equation:


Simplifying
91 = 9y

Solving
91 = 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
91 + -9y = 9y + -9y

Combine like terms: 9y + -9y = 0
91 + -9y = 0

Add '-91' to each side of the equation.
91 + -91 + -9y = 0 + -91

Combine like terms: 91 + -91 = 0
0 + -9y = 0 + -91
-9y = 0 + -91

Combine like terms: 0 + -91 = -91
-9y = -91

Divide each side by '-9'.
y = 10.11111111

Simplifying
y = 10.11111111

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