Solve for x and y:
2x+3y=0,3x+4y=5.
2x+3y=0-----(1)
3x+4y=5-----(2)
From equation (1)
2x+3y=0
2x=−3y
x=−3y2......(3)
Put the value of x in (2)
3x+4y=5
3(−3y2)+4y=5
−9y2+4y=5
−9y2+8y2=5
−1y=10
y=−10
sub y in 1
2x+3y=0
2x+3(−10)=0
2x−30=0
x=302=15
So x=15 and y=−10