Answer:
x = 14
BE = 6
Step-by-step explanation:
to find 'x': BG = 1/2[(x-9) + (3x-13)]
BG = 4x-22 / 2
BG = 3x-25
3x-25 / 1 = 4x-22 / 2
cross-multiply:
4x-22 = 2(3x-25)
4x-22 = 6x-50
-2x = -28
x = 14
to find 'BE': CB = BE
2x+4 = 7x-1
-5x = -5
x = 1
BE = 7(1) - 1
BE = 6
