9-9y+1=31

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Solution for 9-9y+1=31 equation: 


Simplifying
9 + -9y + 1 = 31

Reorder the terms:
9 + 1 + -9y = 31

Combine like terms: 9 + 1 = 10
10 + -9y = 31

Solving
10 + -9y = 31

Solving for variable 'y'.

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

Add '-10' to each side of the equation.
10 + -10 + -9y = 31 + -10

Combine like terms: 10 + -10 = 0
0 + -9y = 31 + -10
-9y = 31 + -10

Combine like terms: 31 + -10 = 21
-9y = 21

Divide each side by '-9'.
y = -2.333333333

Simplifying
y = -2.333333333

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