Beautiful Back and Built Biceps
Building your back to requires isolating your latissimus dorsi, trapezius, rhomboids, and rear delts: Pull-ups, High Rows, Bent Over Rows, Lat Pull Downs, etc
Pick 3-5 exercises that work different parts of your back and do 2-4 sets of 12-15 repetitions.
Wide Grip Pull Up
You can substitute the pull up with a wide grip lat pull down on the cable machine.
Neutral Grip Pull Up
You can substitute with a reverse grip pull down or a neutral grip pull down on the cable machine.
Bent Over Rows
Biceps can be built with a dumbbells, barbells, cables, or machines: Dumbbell Curl, Hammer Curl, Preacher Curl, Cable Curl, etc.
Pick 2-3 exercises and do 2-3 sets of 12-15 repetitions.