The path of highway number 1 is given by the equation x + y = 7 and the highway
number 2 is given by the equation 5x + 2y = 20. Represent these equations
geometrically (Graphically).
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Answer:x+y=7_______________(1)*2
5x+7y=20_________(2)
from 1 and 2 on substracting
-3x=-6
x=2
put the value of x in 1
y=5
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