Question

How do u slove
9+1/2n=20​

Answer 1

n = 22

Explanation:

Given

9 +
`(1)/(2)` n = 20 ( subtract 9 from both sides )

`(1)/(2)` n = 11

Multiply both sides by 2 to clear the fraction

n = 22

Answer 2

n=22

Explanation:

20-9=11

0.5 x n =11

11/0.5=22

n=22