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tankabanditka [31]
3 years ago
10

Find the value of the variable and BC, if B is between A and C. AB = 5x, BC = 3x-1, AC = 47

Mathematics
1 answer:
schepotkina [342]3 years ago
4 0

Answer:

17

Step-by-step explanation:

AC = AB + BC

Since we know what each variable equals, we can write out the equation as shown:

47 = 5x + 3x - 1

Combining like terms:

47 = 8x - 1

Add 1 on both sides:

48 = 8x

Divide 8 on both sides:

X = 6

Now that we know what X equals, we can solve BC.

BC = 3(6) - 1

BC = 18 - 1

BC = 17

Therefore BC = 17.

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