Answer
-81.2
Work Step by Step
To evaluate the expression, we substitute the values $x=-4.3$ and $y=5.2$ into the expression:
$8x-9y$
=$8(-4.3)-9(5.2)$
=$8(-\frac{43}{10})-9(\frac{52}{10})$
=$(-\frac{344}{10})-(\frac{468}{10})$
=$\frac{-344-468}{10}$
=$\frac{-812}{10}$
=$-81.2$
