Acell phone company charges $120 for the phone, and then $35 a month for phone service. another cell phone company charges $55 a month for phone service with a free phone. after how many months will the phone services cost the same?

step-by-step explanation:

a

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

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