Question

If 9x+10=20
, what is the value of 18x+1
?

Answer 1

21

Explanation:

9x + 10 = 20

9x = 10

x = 10/9

What is the value of 18x + 1?

18(10/9) + 1

= 20 + 1

= 21

So, the value of 18x + 1 is 21