Question

Find find the solution of pair of equations X -Y=4 and X + Y =8
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Answer 1

Answer:

given x−y=28,x−3y=0

⇒28+y=3y

⇒2y=28,y=14

therefore x=42

now substituting these values in y=mx+5

we get 14=42m+5,m=

Answer 2

Explanation:

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