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 Oct 2 awarded Yearling Apr 3 accepted Arithmetic and geometric mean Oct 2 awarded Yearling Jul 10 accepted Solving $7^{2x}\cdot4^{x-2}=11^x$ Jul 9 accepted When does the system of equations have initly solution, no solutions, and only one solution Jul 9 revised When does the system of equations have initly solution, no solutions, and only one solution added 119 characters in body Jul 9 comment When does the system of equations have initly solution, no solutions, and only one solution I dont expect that anybody solve this problem for me, as I have wrote, I want to understand how to solve it, but I have no idea how to start or how to end. I learn best when I see some example, and example of this type are very hard to find Jul 9 comment When does the system of equations have initly solution, no solutions, and only one solution I know but I have no expirience with that and finding information about solving that type of problem is very hard to find. Jul 9 asked When does the system of equations have initly solution, no solutions, and only one solution Jul 8 accepted Solving an augmented coefficient matrix so there are infinitely solutions Jul 8 comment Solving an augmented coefficient matrix so there are infinitely solutions @amWhy Thanks for the quick answer. Can you tell me where did the t "pop out" from??? I mean I have a and b. When should I place t in the equation or better in te matrix??? Jul 8 comment Solving an augmented coefficient matrix so there are infinitely solutions @TZakrevskiy so x can be x1, x2 or x3 Jul 8 revised Solving an augmented coefficient matrix so there are infinitely solutions added 1 character in body Jul 8 asked Solving an augmented coefficient matrix so there are infinitely solutions Jul 8 accepted For which values of $a, b$ does the system of equations NOT have any solutions? Jul 8 comment For which values of $a, b$ does the system of equations NOT have any solutions? Thanks for the help. Can you please explain to me why is the b not equal to 2. How did you get this. Thanks Jul 8 comment For which values of $a, b$ does the system of equations NOT have any solutions? why is b not equal 6. One more question: Can I multiply two rowes? Thank you very much!!! Jul 8 revised For which values of $a, b$ does the system of equations NOT have any solutions? added 522 characters in body Jul 8 asked For which values of $a, b$ does the system of equations NOT have any solutions? Jul 2 awarded Curious