Seven decreased by three times a number is forty,please help
2 answers:
7 - 3 = 4
4 x .... = 40
4 x 10 = 40
Hello,
x= the number
3x= three times the number
seven decreased by three times a number is forty, then:
7-3x=40
-3x=33
x=-11
Answer: the number is -11
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