You start with 2x -5>7 the you add five to both sides 2x-5+5>7 +5 2x.12 then divide both sides by 2 2x divided by 2 > and 12 divided by 2 and get x>6
Answer:
The correct answer is D because they are unknown
Step-by-step explanation:
Hello,
y=x²+2x+7
y=x+7
==>x²+2x+7=x+7
==>x²+x=0
==>x(x+1)=0
==>(x=0 and y=7) or (x=-1 and y=-1+7=6)
Sol={(0,7),(-1,6)}
9. 6
10. 13
11. 4
12. 30
13. 6/7
14. 5/9
15. 1/3
16. 11/4
17. 7/5
18. 1/2
Hope This Can Help You