Question

we get the same result if we multiply a number by 7 or if we multiply the number by 2 and then add 20. find the number.

Answer 1

4

Answer 2

7*4=28
4*2+20=28

Answer 3

thank you. trying to help a friend with work.

Answer 4

let that number is x
then
7x = 2x +20
now you can easily find x