When adding 4 times a number to 13,the sum is -7.Find the number.?
回答 (1)
2017-08-07 10:43 am
Let x be the number.
13+4x=-7
4x=-20
x=-5
the number is -5.
13+4x=-7
4x=-20
x=-5
the number is -5.
收錄日期: 2021-04-18 17:32:11
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