3y+9=4-5y

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Solution for 3y+9=4-5y equation: 


Simplifying
3y + 9 = 4 + -5y

Reorder the terms:
9 + 3y = 4 + -5y

Solving
9 + 3y = 4 + -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 + 3y + 5y = 4 + -5y + 5y

Combine like terms: 3y + 5y = 8y
9 + 8y = 4 + -5y + 5y

Combine like terms: -5y + 5y = 0
9 + 8y = 4 + 0
9 + 8y = 4

Add '-9' to each side of the equation.
9 + -9 + 8y = 4 + -9

Combine like terms: 9 + -9 = 0
0 + 8y = 4 + -9
8y = 4 + -9

Combine like terms: 4 + -9 = -5
8y = -5

Divide each side by '8'.
y = -0.625

Simplifying
y = -0.625

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