2x+3y is 0 3x+4y is 0 in substitution
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Explanation:
2x+3y=o
2x=-3y
x= -3y/2
3x+4y=0
3(-3y/2)+4y=0
-9y+8y/2=0
y=0
2x+3(0)=0
2x=0
x=0
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