solve by substitution method 3(2x+y)=7xy & 3(x+3y)=11xy
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Answer:
x=1 and y=3/2
Step-by-step explanation:
6x+3y=7xy
3x+9y=11xy. =3x=11xy-9y
6x+3y=7xy
2(11xy-9y)+3y=7xy
22xy-18y+3y=7xy
15xy=15y
x=1
3x=11xy-9y
3×1=11×1×y-9y
3=11y-9y
y=3/2
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