8y+y=8y-1

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Solution for 8y+y=8y-1 equation: 


Simplifying
8y + y = 8y + -1

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

Reorder the terms:
9y = -1 + 8y

Solving
9y = -1 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
9y + -8y = -1 + 8y + -8y

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

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

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

Simplifying
y = -1

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