-7y+25=-9(y-1)

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Solution for -7y+25=-9(y-1) equation:


Simplifying
-7y + 25 = -9(y + -1)

Reorder the terms:
25 + -7y = -9(y + -1)

Reorder the terms:
25 + -7y = -9(-1 + y)
25 + -7y = (-1 * -9 + y * -9)
25 + -7y = (9 + -9y)

Solving
25 + -7y = 9 + -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.
25 + -7y + 9y = 9 + -9y + 9y

Combine like terms: -7y + 9y = 2y
25 + 2y = 9 + -9y + 9y

Combine like terms: -9y + 9y = 0
25 + 2y = 9 + 0
25 + 2y = 9

Add '-25' to each side of the equation.
25 + -25 + 2y = 9 + -25

Combine like terms: 25 + -25 = 0
0 + 2y = 9 + -25
2y = 9 + -25

Combine like terms: 9 + -25 = -16
2y = -16

Divide each side by '2'.
y = -8

Simplifying
y = -8

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