9y+y=9y-1

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


Simplifying
9y + y = 9y + -1

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

Reorder the terms:
10y = -1 + 9y

Solving
10y = -1 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
10y + -9y = -1 + 9y + -9y

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

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

Divide each side by '1'.
y = -1

Simplifying
y = -1

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