Question

show the x=-2,y=3 is not the solution of the equation 2x+3y=9​

Answer 1

Answer:

The given system of equations is

2x+7y=11 .(i)

x−3y=5 .(ii)

Putting x=2,y=1 in equation (i), we have

LHS=2×2+7×1=11=RHsSo, x=2 and y=1 satisfy equation (i)

Putting x=2,y=1 in equation (i), we have

LHS =2×1−3×1=−1



= RHS

So, x=2 and y=1 do not satisfy equation (ii)

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