Math 9
posted by Molly .
My family went to starbucks. We ordered 3 drinks. My daughter's drink was .90 cents less than my drink and my sons drink was $2.20 more than my drink. The total bill was $12.90. How much was each drink? Use algebra.
k so i did this: x+ (x.90) + (x+2.20) = 12.90
how do you solve for x though... i tried doing this but i just don't understand pleese help
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