-3h=9(2-3h)

5(t+7)=2(s+9)
6(s+4)=3(s+9)
2(p+2)=1.8-2-0.2(p+5)

-3h=9(2-3h)

-3h + 27h = 18
24h = 18
h = 18/24 = 3/4


5(t+7)=2(s+9)
5t + 35
Is there a typo in this problem?

I'll be glad to check your answers for the other two problems.