Question

resolva : 63=15.3+1/2x.9

Answer 1

63=15 . 3 +1/2 . x . 9
63 = 45 + 1/2 . 9 . x
63=45 + 9/2 . x
63 -45 = 9/2 . x
18 = 9/2 . x
18/(9/2) = x
18/1 . 2/9 = x
(18 . 2) / (1 . 9) =x
36/9 = x


4 =x