10/x - 4 = 210/x = 6x = 10/6x = 5/3
6 - 5y/2 = -4.5-5y/2 = -10.55y = 21y = 21/5
2y + 1/3 = 52y = 14/3y = 7/3
6.2/3y + 1 = 22y + 1 = 22y = 1y = 1/2
10/x - 4 = 2
10/x = 6
x = 10/6
x = 5/3
6 - 5y/2 = -4.5
-5y/2 = -10.5
5y = 21
y = 21/5
2y + 1/3 = 5
2y = 14/3
y = 7/3
6.2/3y + 1 = 2
2y + 1 = 2
2y = 1
y = 1/2