SOLUTION: How do I collect the like terms? 18y+30a-9a+4y

SOLUTION: How do I collect the like terms? 18y+30a-9a+4y

Algebra.Com

Question 227784: How do I collect the like terms?
18y+30a-9a+4y
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
18y+30a-9a+4y
22y+21a
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