Answer:
It is the first graph
Step-by-step explanation:
You graph each point and it appears the same way
3x + 6 = 12
First operation was subtraction (subtracting 6 to leave 3x alone)
Second operation was division (Dividing 3 from 3x to isolare x)
3x + 6 = 12
3x + 6 -(6) = 12 - 6
3x = 6

=

3 and 3 cancels out
x = 2
Answer:
5x + 3y = 2
5x - 3y = -22
Step-by-step explanation:yes
100 miles
1 hours - 20 Miles
2 hours - 40 Miles
3 hours - 60 Miles
4 hours - 80 Miles
5 hours -100 Miles