30+3y=9

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Solution for 30+3y=9 equation: 


Simplifying
30 + 3y = 9

Solving
30 + 3y = 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 + 3y = 9 + -30

Combine like terms: 30 + -30 = 0
0 + 3y = 9 + -30
3y = 9 + -30

Combine like terms: 9 + -30 = -21
3y = -21

Divide each side by '3'.
y = -7

Simplifying
y = -7

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