Answer:
x=9
Explanation:
100-22x=298
because, 100-298=198
198/22=9 so, X=9
9 months
1. write out equation
100 + 22x = 298
2. Subtract 100 from both sides
22x = 198
3. Divide 22 from each side
198/22 = 9
hence, Katrina will pay off the sofa in 9 months.
have a great day! :)
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