Question

) 7 times a number decreased by 3, equal to 18. Find the number.

Answer 1

Step-by-step explanation:

7x-3=18

7x=18+3

7x=21

x=21/7

x=3

Answer 2

Answer:

let the number be "a"

So the equation formed is

(7a)-3=18

7a=18+3

7a=21

a=21/7

a=3

hope it helps