Solve the following equations 2a+3=13 4b-2=22 5c+6=41 3d+4=16 7e-3=25 4f+7=15 9g-3=6 10h+4=44 16+2j=20 13-3k=10

1st bit is original question, italics is each stage and bold is final answer

2a+3=13 2a=10a=5

4b-2=22 4b=24b=6

5c+6=41 5c=35c=7

3d+4=16 3d=12d=4

7e-3=25 7e=28e=4

4f+7=15 4f=8f=2

9g-3=6 9g=9g=1

10h+4=44 10h=40h=4

16+2j=20 2j=4j=2

13-3k=10 13=10+3k 3=3kk=1

1. a=5; 2. b=6; 3. c=7; 4. d=4; 5. e=4; 6. f=2; 7. g=1; 8. h=4; 9. j=2; 10. k=1.