Answer
$x$ = -3 , $y$ = 7
Work Step by Step
3$y$ = 15 - 2$x$
$y$ = 5 -$\frac{2}{3}x$
$\frac{1}{3}x$ + $\frac{4}{7}$(5-$\frac{2}{3}x$) = 3
$\frac{1}{3}x$ + $\frac{20}{7}$ - $\frac{8}{21}x$ = 3
- $\frac{1}{21}x$ = $\frac{1}{7}$
$x$ = -3
$y$ = 5 - $\frac{2}{3}$(-3)
$y$ = 5 + 2
$y$ = 7
