10y-9=9+y

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Solution for 10y-9=9+y equation:


Simplifying
10y + -9 = 9 + y

Reorder the terms:
-9 + 10y = 9 + y

Solving
-9 + 10y = 9 + 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.
-9 + 10y + -1y = 9 + y + -1y

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

Combine like terms: y + -1y = 0
-9 + 9y = 9 + 0
-9 + 9y = 9

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

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

Combine like terms: 9 + 9 = 18
9y = 18

Divide each side by '9'.
y = 2

Simplifying
y = 2

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