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irakobra [83]
3 years ago
12

Thirty-one plus three times a number is seventy-six. Helppp.

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
5 0

Answer:

15

Step-by-step explanation:

Pretend a is the number.

We have: 31 + 3a = 76

=> 3a = 76 - 31 = 45

=> a = 45/3

=> a = 15

Flauer [41]3 years ago
4 0
31+3x= 76
-31. -31
3x=45
divide by 3
15x
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