👤

Aflati x din proportia x+2 supra 15=6 supra 5

Răspuns :

(x+2)/15=6/5
(x+2)/3=6
x+2=18
x=16
x+2    6
----  =---
15      5
x+2*5=15*6
x+2*5=90
x+2=18
x=16
16+2/15=6/5
18/15=6/5
90=90