Answer:
1. x= 15
2. b= 29
3. r= 16
4. b= 7
5. t= 26
6. m= 19
7. y= 16
8. h= 50
9. s= 10
10. x= 10
Step-by-step explanation:
plug the number given into the equation then solve for the variable
P=462+66-9
=528-9
=519
Q=762-26-5
=762-31
: =731