Solve
X + y = 11;
5x + 12y = 7.
Answers
Answered by
1
Therefore x=-1
y=2
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Answered by
1
Step-by-step explanation:
x+y= 11. ..........(i)
5x+12y = 7 ............(ii)
from (i) x = 11-y
substituting the value of x in (ii) we get
5(11-y) + 12y =7
55 - 5y +12y = 7
55 + 7y =7
7y = 7-55
y= -48/7
putting value of y in i we get
x = 11+48/7
x = 17.9
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