Q.3 Attempt the following
1) Solve for x&y: - 2x - y + 3 = 0; 3x - 5y + 1 = 0
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Answered by
1
3x−5y+1=0
x−y+1=0⇒y=x+1
Substitute y=x+1 in 3x−5y+1=0 we get
3x−5(x+1)+1=0
3x−5(x+1)+1=0
⇒3x−5x−5+1=0
⇒−2x−4=0
⇒−2x=4
⇒x=−2
∴x=−2
Substitute x=−2 in x−y+1=0 we get
−2−y+1=0
⇒−y−1=0
∴y=−1
Hence x=−2,y=−1
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Answered by
8
The value of x = -2 and the value of y = -1
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