2) 2x+y=5
3x+2y=8
find x and y = ?
Answers
Answered by
0
Answer:
2x+y=5
2(1)+3=5
2+3=5
so X =1 and y =3
3x+2y=8
3(2)+2(1)=8
6+2=8
so X=2 and y =1
Answered by
1
Step-by-step explanation:x=2,y=1
2x+y=5 .....(1)
3x+2y=8 ......(2)
multiply (1) by 2
so,2(2x+y)=5(2)
so,4x+2y=10
now subtract first equation by second
4x+2y=10
3x+2y=8
-. -. -
________
x+0=2
so,x=2
substitute it in (1)
so,2(2)+y=5
so,4+y=5
so,y=5-4
so,y=1
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