10-1-7y=-9-y

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Solution for 10-1-7y=-9-y equation:


Simplifying
10 + -1 + -7y = -9 + -1y

Combine like terms: 10 + -1 = 9
9 + -7y = -9 + -1y

Solving
9 + -7y = -9 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
9 + -7y + y = -9 + -1y + y

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

Combine like terms: -1y + y = 0
9 + -6y = -9 + 0
9 + -6y = -9

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

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

Combine like terms: -9 + -9 = -18
-6y = -18

Divide each side by '-6'.
y = 3

Simplifying
y = 3

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