Question

5m-3n=19 m-6n=-7 show in elimination method
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Answer 1

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Answer 2

Answer:

5m−3n=19 ↪ (I)

m−6n=−7 ↪ (II)

Multiplying (I) with 2 we get

10m−6n=38 ↪ (III)

Subtracting (II) from (III) wqe get

10m−m−6n−(−6n)=38−(−7)

⇒9m=45

⇒m= 45/9

=5

Putting the value of m=5 in (II) we get

5−6n=−7

⇒−6n=−7−5

⇒−6n=−12

⇒n= -12/-6

=2

Thus, (m,n)=(5,2).