If 2x + y = 35 and 3x + 4y = 65, find the value of x/y.
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Answer:
x=15
y=5
Step-by-step explanation:
3x+4y=65.....i
2x+y=35. ×-4
-8x-4y=140........ii
add equestion i and ii
3x+4y=65
-8x-4y=-140
-5x=-75
x=75/5
x=15
substitute x=15 in equestion i
3×15+4y=65
45+4y=65
4y=65-45
y=20/4
y=5
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