If 9^(X+Y) = 81^(X-Y), what is X in terms of Y?
$TJprep #HSPTprep #SHSATprep
TJ Prep Problems
TJ Prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.
TJ Prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.
If 9^(X+Y) = 81^(X-Y), what is X in terms of Y?
$TJprep #HSPTprep #SHSATprep