| Find the value of the missing constant | Value of missing constant | Find the value of |
| 9/9=a? | |
| 2b+6=9+a? | |
| 4b-2=c? | |
| d+2=c+1? | |
| 2e-10=d+7? | |
| 4+e=f? | |
| 12+f=2g+3? | |
| g/3=h? | |
| 5h=i? | |
| i/4+2=j+1? | |
| 2j-4=k? | |
| k+13=l? | |
| 2l-12=m? | |
| | Find the value of the missing constant | Value of missing constant | Find the value of |
| m/10=n-4? | |
| n-2=o? | |
| o+20=p+7? | |
| 2p=6q? | |
| 2q+q=r+8? | |
| 3r-12=3s+2s+s? | |
| 9s+3=2t? | |
| t/3+8=u+3? | |
| 4u+u+5=v+3u? | |
| v/5=2w-v? | |
| 3w+4=w-4+x? | |
| x/2=3y+10? | |
| 2y-12=3z-105? | |
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