Question

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

Answer 1

a = 19

Explanation:

3a -1 = 2(a+9) . . . . . multiply by 8

3a -1 = 2a +18 . . . . . eliminate parentheses

a -1 = 18 . . . . . . . . . . subtract 2a

a = 19 . . . . . . . . . . . . add 1