3x-4y+3=0&3x+4y-21=0 cross multiplication, substitution, elimination&graphical method
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Answered by
5
Answer:
3x+2y=7
4x+y=6⇒y=6−4x
placing in equation (1)
3x+2(6−4x)=7
3x+12−8x=7⇒−5x+12=7
−5x=7−12⇒−5x=−5
x=1
∴ y = 6 - 4×1=2
∴ x = 1, y = 2
Answered by
1
Answer:
the above answer is correct dear friend
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