Answer:
x=7
Step-by-step explanation:
3x-9=12
add 9 to both sides
3x=21
divide both sides by 3
x=7
Can you add more information?
Answer:
slope =
Step-by-step explanation:
Use the slope formula given in the question to solve for the slope. The is the variable representing the slope. The and values are x and y values of one point. The and are x and y values of another point.
So, use the x and y values of the points given and substitute them in the correct order into the formula:
Thus, the slope is .