EXERCISE - 6.2
1. Find three different solutions of the each of the following equations.
i) 3x + 4y = 7
ii) y=6x
iii) 2x - y=7
iv) 13x - 12y = 25 v) 10x + 1ly = 21
vi) x+y=0
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EXERCISE - 6.2
1. Find three different solutions of the each of the following equations.
i) 3x + 4y = 7
ii) y=6x
iii) 2x - y=7
iv) 13x - 12y = 25 v) 10x + 1ly = 21
vi) x+y=0
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Answer:
1) 3x+4y=7
x= 1
=> 3×1+4y=7
=> 3+4y=7
=> 4y=7-3
=> y= 4/4
=> y= 1
if x=2
=> 3×2+4y=7
=> 6+4y=7
=> 4y=7-6
=> y=1/4
if x=3
=>3×3+4y=7
=> 9+4y=7
=> 4y=7-9
=> y=-2/4