Compare the slopes of each line<span>. Remember, when two </span>lines are parallel<span> to each other, they will have the exact same slope. Using the equation y = mx + b where m is the slope of the </span>line<span>, you can </span>identify<span> and compare the slopes of two </span>lines<span>.</span>
18 x 4 = 72
(9 x 2) x 4 = 72
9 x (2 x 4) = 72
1. Recall the vertical line equation.
2. Plug in the x that we know.
3. Write down the final equation
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Answer:
negative 8
Step-by-step explanation:
