9y-10=8y-1

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Solution for 9y-10=8y-1 equation:


Simplifying
9y + -10 = 8y + -1

Reorder the terms:
-10 + 9y = 8y + -1

Reorder the terms:
-10 + 9y = -1 + 8y

Solving
-10 + 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.
-10 + 9y + -8y = -1 + 8y + -8y

Combine like terms: 9y + -8y = 1y
-10 + 1y = -1 + 8y + -8y

Combine like terms: 8y + -8y = 0
-10 + 1y = -1 + 0
-10 + 1y = -1

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

Combine like terms: -10 + 10 = 0
0 + 1y = -1 + 10
1y = -1 + 10

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

Divide each side by '1'.
y = 9

Simplifying
y = 9

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