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If AB = x + 4, BC = 2x - 10, and AC = 2x + 1, then find the value for BC.
11
7
4
15
None of the other answers are correct

If AB x 4 BC 2x 10 and AC 2x 1 then find the value for BC 11 7 4 15 None of the other answers are correct class=

Respuesta :

xenia168

Answer:

4

Step-by-step explanation:

AB + BC = AC

(x + 4) + (2x - 10) = 2x + 1

x + 4 + 2x - 10 = 2x + 1

x - 6 = 1

x = 7

BC = 2(7) - 10 = 4

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