Answer:
third choice
Step-by-step explanation:
Answer:
-3
Step-by-step explanation:
-7x + 4x = 9
-3x = 9
x = 9/(-3)
<h3>
x = -3</h3>
<h2>
MARK ME AS BRAINLIST </h2>
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First, use the distance formula to find in the distance. Then use 1/2bh (formula for area of a triangle) to find the triangle’s area.