Question

12. 12. The sum of 3 times a number and -7
is 14. What is the number? Full Marks : 1
a. 6
b. -7
c. 7​

Answer 1

Answer:

C. 7

Step-by-step explanation:

3x - 7=14

3x=14+7

3x=21

X=7

So c is the answer

Answer 2

Answer:

C 7

Step-by-step explanation:

let the number be x

so acc. to question

3x-7=14

3x=14+7

3x= 21

x= 21÷3

x= 7