-9y-25=8(y-1)

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Solution for -9y-25=8(y-1) equation:


Simplifying
-9y + -25 = 8(y + -1)

Reorder the terms:
-25 + -9y = 8(y + -1)

Reorder the terms:
-25 + -9y = 8(-1 + y)
-25 + -9y = (-1 * 8 + y * 8)
-25 + -9y = (-8 + 8y)

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

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

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

Add '25' to each side of the equation.
-25 + 25 + -17y = -8 + 25

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

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

Divide each side by '-17'.
y = -1

Simplifying
y = -1

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