x+y/2=4 and x/3+2y=5 solve the following
Answers
Answered by
1
x+y/2=4
2x+y=8---(a)
x/3+2y=5
x+6y=15----(b)
(a)-2×(b):
2x+y=8
2x+12y=30
- -. -
_________
0-11y=-22
11y=22
y=2
substitute y=2 in (a)
2x+2=8
2x=6
x=3
2x+y=8---(a)
x/3+2y=5
x+6y=15----(b)
(a)-2×(b):
2x+y=8
2x+12y=30
- -. -
_________
0-11y=-22
11y=22
y=2
substitute y=2 in (a)
2x+2=8
2x=6
x=3
Similar questions