SOLUTION: Dear sir,Madam, will you solve this sum. 7^(x-3)=4^(2x+1)

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Question 533834: Dear sir,Madam,
will you solve this sum.

7^(x-3)=4^(2x+1)

Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
Solve for x
7^(x-3)=4^(2x+1)
(x-3)log7=(2x+1) log4
(x-3)/(2x+1)=log4/log7≈.7124
x-3=(.7124)(2x+1)=1.4248x+.7124
.4248x=-3.7124
x=-3.7124/.4248
x=-8.7392

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