Question

1. 98-35-a= 41
2. a-17+21=55
3. 78-15-a=10
4. 100-a+25=50
5. 69+18-a=37

Answer 1

2. a-17=55-21; a=34+17; a=51
1.63-a=41; a=63-41; a=22
3.63-a=10; a=63-10; a=53
4.100-a=50-25; a=100-25; a=75
5.87-a=37; a=87-37; a=50.