9y+1=3y-8

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Solution for 9y+1=3y-8 equation:


Simplifying
9y + 1 = 3y + -8

Reorder the terms:
1 + 9y = 3y + -8

Reorder the terms:
1 + 9y = -8 + 3y

Solving
1 + 9y = -8 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
1 + 9y + -3y = -8 + 3y + -3y

Combine like terms: 9y + -3y = 6y
1 + 6y = -8 + 3y + -3y

Combine like terms: 3y + -3y = 0
1 + 6y = -8 + 0
1 + 6y = -8

Add '-1' to each side of the equation.
1 + -1 + 6y = -8 + -1

Combine like terms: 1 + -1 = 0
0 + 6y = -8 + -1
6y = -8 + -1

Combine like terms: -8 + -1 = -9
6y = -9

Divide each side by '6'.
y = -1.5

Simplifying
y = -1.5

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