d) [tex] \frac{x+y}{x-y} = \frac{7}{3} [/tex]
[tex]7x-7y=3x+3y[/tex]
[tex]7x-3x = 3y+7y[/tex]
[tex]4x=10y[/tex]
[tex] \frac{x}{y} = \frac{10}{4} [/tex]
e) [tex] \frac{x}{x+2y} = \frac{5}{17} [/tex]
[tex]17x=5x+10y[/tex]
[tex]17x-5x=10y[/tex]
[tex]12x=10y[/tex]
[tex] \frac{x}{y} = \frac{10}{12} [/tex]
f) [tex] \frac{2x+y}{x+2y} = \frac{13}{17} [/tex]
[tex]34x+17y=13x+26y[/tex]
[tex]34x-13x=26y-17y[/tex]
[tex]21x=9y[/tex]
[tex] \frac{x}{y} = \frac{9}{21} [/tex]
g) [tex] \frac{2x-y}{x+y} = \frac{11}{16} [/tex]
[tex]32x-16y=11x+11y[/tex]
[tex]32x+11x=16x+11y[/tex]
[tex]43x=27y[/tex]
[tex] \frac{x}{y} = \frac{27}{43} [/tex]
h) [tex] \frac{x}{3x+8y} = \frac{1}{9} [/tex]
[tex]9x=3x+8y[/tex]
[tex]9x-3x=8y[/tex]
[tex]6x=8y[/tex]
[tex] \frac{x}{y} = \frac{8}{6} [/tex]
