SOLUTION: The equation B = 1 + 3n tells the number of beams required to build a frame of n sections can be built with 79 beams

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Question 675231: The equation B = 1 + 3n tells the number of beams required to build a frame of n sections can be built with 79 beams
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
B = 1 + 3n
...
79 = 1 + 3n
79 - 1 = 1 + 3n - 1
...
78 = 3n
78/3 = 3n/3
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