Start with -3x + 2 = -7
Subtract 2 from each side
-3x = -9
Divide each side by -3
x = 3
Answer:
Area of triangle= 1/2 x base x height
Area of triangle




Therefore the area of the triangle is 45.5inch
Slope = (y2 - y1)/(x2 - x1) = (10 - 70)/(5 - (-15)) = -60/(5 + 15) = -60/20 = -3
Answer:
a certain number that i do not know
Step-by-step explanation: