A store is having a sale in which all items are discounted 20%. Including tax , Jennifer paid $21 for a picture. if the sales ta
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Answer:
3y
Step-by-step explanation:
The missing term is 3y since the following like terms combine:
These terms are the same as the sum listed except -18y.
What must be added to -18y +____=-15y.
-18y+_3y__ =-15y
3y is the solution.