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hoa [83]
3 years ago
13

13. If B is the midpoint of AC and AC = 8x -20, find BC. AB= 3x-1​

Mathematics
1 answer:
maks197457 [2]3 years ago
3 0

Answer:

\Huge \boxed{5x - 19}

\rule[225]{225}{2}

Step-by-step explanation:

A ——— B ——— C

AC = 8x - 20

AB = 3x - 1

BC = AC - AB

BC = (8x - 20) - (3x - 1)

Distributing negative sign.

BC = 8x - 20 - 3x + 1

Combining like terms.

BC = 5x - 19

\rule[225]{225}{2}

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