Mathematics, 20.08.2019 04:00 angie0000
Susan's math teacher assigned x homework problems on monday. on tuesday, she assigned 13 more problems. over the two days, a total of 21 homework problems were assigned. which equation could be used to find x, the number of problems assigned on monday?
a. x - 13 = 21
b. x + 13 = 21
c.21 + x = 13
d.13x = 21
Answers: 1
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