2l+3m=13
3l+4m=17
by elimination method
Answers
Answered by
1
Answer:
13×17= 221
Step-by-step explanation:
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Answered by
2
Answer:
m = 4 , l = 1/2
Step-by-step explanation:
2l+3m=13------1
3l+4m=17-------2
multiply first equation with 3 and second equation by 2
we get 6l+9m=39
6l+8m=34
subtract both equations
we get 9m-8m=39-35
m = 4
sub m value in first equation
2l+3[4] = 13
2l=1
l=1/2
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