Answer:
find the value of w in
\frac{4}{w + 3} - \frac{1}{w - 5} = \frac{2}{ {w}^{2} - 2w - 15 }
w+3
4
−
w−5
1
=
w
2
−2w−15
2
find the value of b in
\frac{2}{b} + \frac{1}{7} = \frac{19}{35}
b
2
+
7
1
=
35
19
find the value of y in
\frac{9}{2y + 1} = \frac{8}{y - 3}
2y+1
9
=
y−3
8
