9y-1=31+y

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


Simplifying
9y + -1 = 31 + y

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

Solving
-1 + 9y = 31 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-1 + 9y + -1y = 31 + y + -1y

Combine like terms: 9y + -1y = 8y
-1 + 8y = 31 + y + -1y

Combine like terms: y + -1y = 0
-1 + 8y = 31 + 0
-1 + 8y = 31

Add '1' to each side of the equation.
-1 + 1 + 8y = 31 + 1

Combine like terms: -1 + 1 = 0
0 + 8y = 31 + 1
8y = 31 + 1

Combine like terms: 31 + 1 = 32
8y = 32

Divide each side by '8'.
y = 4

Simplifying
y = 4

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