5y+4y+9=0

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Solution for 5y+4y+9=0 equation: 


Simplifying
5y + 4y + 9 = 0

Reorder the terms:
9 + 5y + 4y = 0

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

Solving
9 + 9y = 0

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + 9y = 0 + -9

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

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

Divide each side by '9'.
y = -1

Simplifying
y = -1

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