2x+y-7=0 2y-6-3x=0(in next line) (solve in substitution method: 10th class)
Answers
Answered by
1
2x+y-7=0
2x+Y=7
Y=7-2x..............(1)
2y-6-3x=0
2(7-2x)-6-3x=0(from eq 1)
14-4x-6-3x=0
-7x+8=0
-7x=-8
x=8/7 Ans...
from eq..(1)
Y=7-2x
Y=7-2×8/7
Y=33/7Ans....
2x+Y=7
Y=7-2x..............(1)
2y-6-3x=0
2(7-2x)-6-3x=0(from eq 1)
14-4x-6-3x=0
-7x+8=0
-7x=-8
x=8/7 Ans...
from eq..(1)
Y=7-2x
Y=7-2×8/7
Y=33/7Ans....
omm30:
how does 7-2*8=33came
bro, 7-2×8/7 is there.therefore, multiply first then take lcm
Answered by
1
All the best for your exams .
Attachments:
Similar questions