The teacher will be very surprised to see your correct solution 😉
59*3
4*x + ----*x = 19/5 - 5*x
5
4*x+((59/5)*3*x) = (19/5)-5*x
4*x+59/5*3*x) = (19/5)-5*x
4*x+59/5*3*x) = 19/5-5*x
x = 19/5 / (222/5)
sum
19 --- 222
=
19 --- 222
product
19 --- 222
=
19 --- 222
19/222