Assalamualaikum solve it using the graphical method solve each of the following pairs of substitution method
3x-y=0
2x-y=1
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Answer:
Step-by-step explanation:
3x-y=0----------> (1)
2x-y=1---------> (2)
(2)====> x=1+y/2
By sub. x value in eq. (1),
=> 3(1+y/2)-y=0
=> 3+3y/2 -y=0
=> 3+3y-2y=2
=> y = (-1)
By sub. y value in eq.(2),
=> 2x-(-1)=1
=> 2x+1=1
=> 2x=0
=> x=0
therefore,
x=0
y=(-1)
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