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Snoopy
Mathematics
11 March, 04:03
Find BC if BC=x+2, AB=2x-6, and AC=17.
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Jimmy Ponce
11 March, 04:19
0
BC = 9
Step-by-step explanation:
Assuming this is a straight line
AB + BC = AC
2x-6 + x+2 = 17
Combine like terms
3x - 4 = 17
Add 4 to each side
3x-4+4 = 17+4
3x = 21
Divide each side by 3
3x/3 = 21/3
x = 7
We want to find BC
BC = x+2
=7+2
=9
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