Question

check whether the pair of equations 5x-y=7 and x-y=-1 consistent or inconsistent
step by step solution plz​

Answer 1

Answer:

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Step-by-step explanation:

Consistent, x=2 and y=3

Solution

5x−y=7…(i)

x−y=−1…(ii)

Comparing with a1x+b1y+c1=0 and a2x+b2y+c2=0

a1=5,b1=−1,c1=7

a2=1,b2=1,c2=−1

a1a2=