3 years ago

Please anyone help as soon as possible

Mathematics

1 answer:

Dennis_Churaev [7]3 years ago

8 0

Answer:

BC = 13

Step-by-step explanation:

AB + BC = AC, substitute values

4x + 2x - 3 = 45, that is

6x - 3 = 45 ( add 3 to both sides )

6x = 48 ( divide both sides by 6 )

x = 8

Hence

BC = 2x - 3 = (2 × 8) - 3 = 16 - 3 = 13

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