Question

`(3a-1)/(8) = (a+9)/(4)`

Answer 1

a = 19

Explanation:

`(3a - 1)/(8) = (a + 9)/(4)`

`4(3a - 1) = 8(a + 9)`

`12a - 4 = 8a + 72`

`12a - 8a = 72 + 4`

`4a = 76`

`a = 76 / 4`

`a = 19`