7-3=-x+1
4=-x+1 substract 1
-1 -1
4-1=-x
3=-x multiply by -1
•(-1) •(-1)
-3=x
x=-3
Answer:

Step-by-step explanation:
Approximately 5 units are equal to 557 miles and the scaled distance between Denver to Chicago is 9 units. The real distance can be estimated by simple rule of three:


Answer:
1. no
2. 8
Step-by-step explanation:
1. 20 does not equal 4/5
2. 6x=48 divide 6 on both sides
x=8