Respuesta :
Answer:
26-4s=9s
26-(4s-9s)=0
26+5s=0
5s=-26
ans: s= -26/5
-3r+10=15r-8
-3r-15r=-8-10
-18r=-18
18r=18
ans: r=1
-9(t-2)=4(t-15)
-9t+18=4t-60
-9t-4t=-60-18
-13t=-78
13t=78
ans: t=26
THERE U GO! :D
Step-by-step explanation:
- 26-4s=9s
- 26=9s+4s
- 26=13s
- s=26/13
- s=2
- -3r+10=15r-8
- -3r-15r=-8-10
- -18r=-18
- r=-18/-18
- r=1
- -9(t-2)=4(t-15)
- -9t+18=4t-60
- -9t-4t=-60-18
- -13t=-78
- t=-78/-13
- t=6