The difference of a number times 5 and 4 equals 9?
回答 (4)
2016-10-14 3:56 am
5x = 13
x = 13/5
x = 13/5
2016-10-14 4:55 am
4 - 5n = 9
5n = -5
n = -5
5n = -5
n = -5
2016-10-14 3:48 am
9
2016-10-14 3:48 am
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