Question

Na formula F= 5x/3 - 1,se F=4 , qual e o valor de x

Answer 1

   $F = \frac{5x}{3} -1$

   Se F = 4
                       $4 = \frac{5x}{3} -1 \\ \\ 4+1= \frac{5x}{3} \\ \\ 5.3 = 5x \\ \\ x= \frac{15}{5} \\ \\ x=3$