emmzzzz
emmzzzz
22-10-2014
Mathematics
Answered
what is 7n-20=9(4n+1) ????
Answer :
luana
luana
22-10-2014
[tex]7n-20=9(4n+1)\ \ \ \ | omit\ the\ bracket\\\\ 7n-20=36n+9\ \ \ | add\ 20\\\\ 7n=36n+29\ \ \ | subtract\ 36n\\\\ -29n=29\ \ \ | divide\ by\ -29\\\\ n=-1\\\\Solution\ is\ n=-1.[/tex]
Answer Link
ZackFry
ZackFry
22-10-2014
7n - 20 = 9(4n + 1)
7n - 20 = 36n + 9
-7n - 20 = 36n - 7n + 9
-20 = 29n + 9
-20 - 9 = 29n - 9
-29= 29n
29n = -29
n = -1
Answer Link
VIEW ALL ANSWERS ( 96+ )
Other Questions
Which equation best represents this situation The number 46 is equal to 23 multiplied by an unknown number A 46 23 p B 46 23p C 46 23 p D 46 23 p NEED help plz
Which fallacy is evident in these lines We need to cut our funding for space research and redirect the funds to more important causes Thats what the European na
The sum of an integer and its square is 72 Find the greatest possible integer
How many milliliters of C5H12 are needed to make 973 ml C5H8 density of C5H12 0620 gmL density of C5H8 0681 gmL density of H2 00899gL Please explain
What opportunities does Bahamas have to increase its diversification Explain your answer
Which term is used to describe what causes organisms to react to their environment
Which English king who ruled for three decades increased the power of the monarchy by asserting his authority over local lords and reforming his countrys legal
Should Congress raise taxes to fix our infrastructure
What volume of hydrogen is necessary to react with five liters of nitrogen to produce ammonia N2 3H2 gt 2NH3
I need Maze Runner quotes and the page number that goes with i
