Question

determine o valor de x na proporçao 2x/5=16/3 b)3x+2/5=2x-8/3

Answer 1

a)2x/5 = 16/3 

3.2x = 5.16 
6x = 80
x = 80/6
x = 40/3
x = 13,33

b)3x+2/5=2x-8/3
6x+1,2=-10-8
x=1,2/6=0,2  
x=10/8=1,25