9y-30+4y=9

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Solution for 9y-30+4y=9 equation:


Simplifying
9y + -30 + 4y = 9

Reorder the terms:
-30 + 9y + 4y = 9

Combine like terms: 9y + 4y = 13y
-30 + 13y = 9

Solving
-30 + 13y = 9

Solving for variable 'y'.

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

Add '30' to each side of the equation.
-30 + 30 + 13y = 9 + 30

Combine like terms: -30 + 30 = 0
0 + 13y = 9 + 30
13y = 9 + 30

Combine like terms: 9 + 30 = 39
13y = 39

Divide each side by '13'.
y = 3

Simplifying
y = 3

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