Answer:
x = 3
Step-by-step explanation:
Every line is made of x and y coordinates. If you have one, you can find the other using the equation.
To solve for x, substitute y = -3 into the equation y = -3x + 6.
-3 = -3x + 6
-3 - 6 = -3x + 6 - 6
-9 = -3x
x = 3
