Question

Реши уравнение х/5=х/3+4

Answer 1

x/5=x/3+4
x/5-x/3 =4
x(1/5-1/3)=4
x(3/15-5/15)=4
x*(-2/15)=4
x=4 : (-2/15)
x=-4*15/2
x= -2*15
x= - 30