Question

Need number 9,15,19 by today!!

Answer 1

9:

$\frac{3}{4}=\frac{1}{3}+f\\\\\frac{3}{4}-\frac{1}{3} = f\\\\f = \frac{9}{12} - \frac{4}{12}\\\\f = \frac{5}{12}$

15:

$y+\frac{11}{25}=-\frac{3}{25}\\\\y=-\frac{11}{25}-\frac{3}{25}\\\\y=-\frac{14}{25}$

19:

$\frac{5}{6}x+\frac{1}{6}x=-9\\\\x=-9$