Solve by substitution method
X+Y=3
2X+5Y=12
Answers
Answered by
2
x+y=3.........1
x=3-y.........2
2x+5y=12.......3
now, subs 2 in 3
2(3-y)+5y=12
6-2y+5y=12
3y=12-6
y=6/3
y=2
now subs y=2 in 2
x=3-2
x=1
hope it helps u......^_^
Answered by
1
Answer by Abhay sir,
x+y=3 ...(1)
2x+5y=12...(2)
from eq 1
x= 3-y ..(3)
putting this value in eq (2)
2(3-y)+5y=12
6-2y+5y=12
6+3y= 12
3y=12-6
3y= 6
y= 6/3
y= 2
Putting y=2 in eq 3
x=3-y
x=3-2
x=1
- Abhay sir (M.sc., B.ed.)
(+91 9909713633)
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