lanae28 lanae28
  • 28-02-2021
  • Mathematics
contestada

b is the midpoint of ac. if ab=8x-7 bc=6x+7 find ac

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Podetola
Podetola Podetola
  • 28-02-2021

Answer: AC = 98

Step-by-step explanation:

A midpoint is a point on a line segment that divides it into two equal parts.

This means AB = BC

AB = 8x - 7

BC = 6x + 7

AB = BC

8x - 7 = 6x + 7

Solve this to find x

Add 7 to both sides

8x = 6x + 14

Subtract 6x from both sides

2x = 14

Divide both sides by 2

x = 7

Now AC = AB + BC

AC = AB + BC

AC = 8x - 7 + 6x + 7

AC = 14x

Substitute 7 for x

AC = 14(7)

AC = 98

Hope this helps!

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