Question

Find the value of a
when
7x+9=100​

Answer 1

Answer: 7x=100-9

              7x=91

               x=91/7

              x=13

Step-by-step explanation:

Answer 2

Answer:

x = 13

Step-by-step explanation:

Correct question : Find value of x when 7x+9=100

Solution :

7x +9 =100

7x +9-9 = 100-9

7x = 91

7x/7 = 91/7

x = 13 ( FINAL ANSWER )