Question

se 2x/5 + 15x-1/20 =1/3 então o valor de 6x+1 é:
( )1
( )2
( )3
( )4

Answer 1

2x/5 + 15x-1/20= 1/3
                         
[24x+3(15x-1) =20 ] /60

24x+3(15x-1)=20

69x=20+3

x= 23/69
 

6x+1=

6.23/19 +1 = 3