Question

Answer these 2 (100 pts)

Answer 1

5) x = 9

7) x = 7

Explanation:

5)

x - 2 + x - 1 = 15

2x -3 = 15

2x = 15 + 3

2x = 18

x = 9

7)

Find the length of BC

BC = 3x - 4 - 10

BC = 3x - 14

if AB = 1 and BC = 3x - 14 and AC = x + 1

1 + 3x - 14 = x + 1

3x - 13 = x + 1

3x - x = 1 + 13

2x = 14

x = 7

Answer 2

1. x=9

2.

Explanation:

1. x-2+x-1=15

2x-3=15

2x=18

x=9

2.