Answer:
[tex]d=-\frac{3g}{5f} +\frac{3h}{5f}[/tex]
Step-by-step explanation:
[tex]-5df+3h=3g\\-5df+3h-3h=3g-3h\\-5df=3g-3h\\-5df/-5f=(3g-3h)/-5f\\d=\frac{3g-3h}{-5f} \\d=-\frac{3g}{5f}+\frac{3h}{5f}[/tex]