8y-13=9y

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Solution for 8y-13=9y equation:


Simplifying
8y + -13 = 9y

Reorder the terms:
-13 + 8y = 9y

Solving
-13 + 8y = 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.
-13 + 8y + -9y = 9y + -9y

Combine like terms: 8y + -9y = -1y
-13 + -1y = 9y + -9y

Combine like terms: 9y + -9y = 0
-13 + -1y = 0

Add '13' to each side of the equation.
-13 + 13 + -1y = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -1y = 0 + 13
-1y = 0 + 13

Combine like terms: 0 + 13 = 13
-1y = 13

Divide each side by '-1'.
y = -13

Simplifying
y = -13

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