th3r3alna3 th3r3alna3

21-10-2020
Mathematics

contestada

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

Helppp.

Respuesta :

Samson2007 Samson2007

21-10-2020

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

Answer Link

lithen05 lithen05

21-10-2020

31+3x= 76
-31. -31
3x=45
divide by 3
15x

Answer Link

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