Question

hallar x si
x/4 - 2/5=x/3 -1/2

Answer 1

................espero te sirva

Answer 2

x/4 -x/3 = -1/2 + 2/5
3x-4x/12 = -5+4/10
-x/12 = -1/10
12/x = 10 
x = 10.12
x = 120 
espero te ayude. (: