Answer:
we should take common first
3n+12
taking 3 common
3(n+4)
A+B = 2X -2
A-B = 4X -8
Add the equations,
2A = 6X - 10
A = 3X - 5
Now, 3X - 5 + B = 2X - 2
B = 2X-3X - 2 + 5
B = 3 - X
Hope this helps!
well, to get the slope of any line, we only need two points, hmmm let's see, from the points there, we can use say, (-4, 5) and (0, 6).
D. centimeters (cm)
km is too large of a unit for this measurement, kg is a unit of weight not distance, mm is small but you'd rather choose cm