Algebra help for 10 points today.?

Question

Please help me!!

Solve each equation. Remember to include the variable in your answer response (ex. n=4).

8. 7h – 4 = 5h + 16

9. 5(w + 2) – 11 = 2w + (9 – 7w)

10. The sides of a triangle are in the ratio 4 : 5 : 6. What is the length of each side if the perimeter is 45 cm?

10 cm, 13 cm, 22 cm

11 cm, 16 cm, 18 cm

12 cm, 15 cm, 18 cm

14 cm, 15 cm, 16 cm

Answer 1

8. h= 10

9. w= 1   ......it is not 10 because then once you get the answer you add it in to make sure you are right and then 1 is right again that other guy is wrong sorry

10. 12 cm 15 cm and 18 cm  

That is the right answer and i hope this helps

Answer 2

8. 7h - 4 = 5h + 16

    7h - 5h = 16 + 4

    2h = 20

    h  = 20\2

     H = 10

9. 5w + 5(2) -11 = 2w +(9 - 7w)

   5w + 10 - 11 = -5w + 9

   10w -1 = 9

   10w = 10

    w =10/10

     w=1

10.  4: 5: 6   (45)

4+5+6= 15

4\15(45)  ,  5\15(45)  ,   6\15(45)

12          ,   15         ,     18

you are welcome............    

Answer 3

>>   h=10

>>   w = 10

>>   12cm  15cm 18cm