9+7y-y=51

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Solution for 9+7y-y=51 equation: 


Simplifying
9 + 7y + -1y = 51

Combine like terms: 7y + -1y = 6y
9 + 6y = 51

Solving
9 + 6y = 51

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + 6y = 51 + -9

Combine like terms: 9 + -9 = 0
0 + 6y = 51 + -9
6y = 51 + -9

Combine like terms: 51 + -9 = 42
6y = 42

Divide each side by '6'.
y = 7

Simplifying
y = 7

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