Question

3/4 +у = -9
_____
5/4 - 8/9
​

Answer 1

$\frac{3}{4} + y = - \frac{9}{1} \\ y = - \frac{9(4}{1} - \frac{3(1}{4} \\ y = - \frac{36 + 3}{4} \\ y = - \frac{39}{4} \\ y = 6 \frac{3}{4}$

$\frac{5(6}{4} - \frac{8(4}{9} = \frac{20 - 32}{36} = - \frac{12}{36} = - \frac{1}{3}$