x+y-8=0,2x-3y-1=0 ,x =? y=?
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Answer: x+y= 8. eqn 1
2x-3y=1. eqn 2
multiply eqn 1 by 3
3x+3y=24. eqn 3
Add eqn 1 and 2
3x+3y=24
+ 2x-3y=1
5x = 25
x= 25/5
x = 5
put x=5 in eqn 3
3(5)+3y=24
15 +3y = 24
3y = 24-15
3y= 9
y=9/3
y=3
Step-by-step explanation:
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