9y+9=5y-1

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Solution for 9y+9=5y-1 equation:


Simplifying
9y + 9 = 5y + -1

Reorder the terms:
9 + 9y = 5y + -1

Reorder the terms:
9 + 9y = -1 + 5y

Solving
9 + 9y = -1 + 5y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-5y' to each side of the equation.
9 + 9y + -5y = -1 + 5y + -5y

Combine like terms: 9y + -5y = 4y
9 + 4y = -1 + 5y + -5y

Combine like terms: 5y + -5y = 0
9 + 4y = -1 + 0
9 + 4y = -1

Add '-9' to each side of the equation.
9 + -9 + 4y = -1 + -9

Combine like terms: 9 + -9 = 0
0 + 4y = -1 + -9
4y = -1 + -9

Combine like terms: -1 + -9 = -10
4y = -10

Divide each side by '4'.
y = -2.5

Simplifying
y = -2.5

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