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Mathematics 21 Online
OpenStudy (anonymous):

Solve 3^x – 4 = 7^x + 9. Can someone please show me how to solve this?

OpenStudy (anonymous):

3^x - 7^x = 13 do you think this equation is impossible? defenitely no

OpenStudy (anonymous):

i dont understand

OpenStudy (anonymous):

There is no real solution to this equation.

OpenStudy (anonymous):

can 3^x - 7^x be 17??

OpenStudy (anonymous):

try substituting x = 0 first and think what it would be if x =1,2,3....and then if it would be if x is between 1 and 0

OpenStudy (anonymous):

|dw:1337362696943:dw| The \(7^x\) graph rises faster than the \(3^x\) graph so they will never cross.

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