2 answers:
Answer:
Step-by-step explanation:
-20=2(n-3)
-20=2*n-2*3
-20=2n-6
-20+6-2n
-14/2=n
-7=n
Answer:
n = -7
Step-by-step explanation:
- 20 = 2(n − 3)
divide by 2
-10 = n-3
transpose
-10 + 3 = n -3 + 3
n=-7
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The fraction of the books that are reference books is 5/14 i think. hope that helps !!
Answer:
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Step-by-step explanation:
46788
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