As i can see there is a table a bove so the x is the first number which going up the graph and the y is across the line
Use the distance formula for the 2 points and then halve the answer
The answer is that x=4:) comment if you want the steps
Answer:
a = 2
Step-by-step explanation:
14a - 21 - 5a = -3
9a - 21 = -3
9a = -3 + 21
9a = 18
a = 2