What is the simplified expression for 5 a b + 9 a b minus a b?
1 answer:
Answer:
13ab
Step-by-step explanation:
When you add the 5 and 9 it will give you 14 but you still have to subtract the 1ab(there is a 1 in front of variables that don't have a visible number.) So it will be 13 a b.
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Step-by-step explanation:
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Step-by-step explanation:
Cost = monthly fee plus cost per hour * hours
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See my handwritten problem worked out in attached pic
