Answer:
1. no solution
2. one solution
3. no solution
4. no solution
Step-by-step explanation:
7/9 ÷ 3/9 =
= (7•9)/( 3•9)
= 63/27 = 7/3
Answer is 7/3
DG=9
2x-4=x+7
x-4=7
x=11
x-2=11-2=9
B is correct