-9y-9=8y+25

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Solution for -9y-9=8y+25 equation:


Simplifying
-9y + -9 = 8y + 25

Reorder the terms:
-9 + -9y = 8y + 25

Reorder the terms:
-9 + -9y = 25 + 8y

Solving
-9 + -9y = 25 + 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.
-9 + -9y + -8y = 25 + 8y + -8y

Combine like terms: -9y + -8y = -17y
-9 + -17y = 25 + 8y + -8y

Combine like terms: 8y + -8y = 0
-9 + -17y = 25 + 0
-9 + -17y = 25

Add '9' to each side of the equation.
-9 + 9 + -17y = 25 + 9

Combine like terms: -9 + 9 = 0
0 + -17y = 25 + 9
-17y = 25 + 9

Combine like terms: 25 + 9 = 34
-17y = 34

Divide each side by '-17'.
y = -2

Simplifying
y = -2

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