ill give brainliest!! Solve these equations for the variable. Check your solutions. please put the answers to this

Answer:
11. x=5
12. y= -1
13. m= -22
14. m=-4
15.n= 12, -4
16. x=6 ,-5
17. m=4
18. x= 3, -1
Step-by-step explanation:
I hope this help ;-)