Question

solve the follow
following
simultaneaus equation,
2m +n= -2 ; 3 m-n=7
​

Answer 1

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Answer 2

Step-by-step explanation:

2m +n =-2----1

3m-n =7----2

adding

5m =5

m=1

putting m as 1 in equation 1

2*1+n=-2

2+n=-2

n=-2-2

n=-4