Is (7, – 2) a solution to this system of equations? 3x+5y=11
4x+6y=12?
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3x+5y=11 .... (I)
4x+6y=12 .... (ii)
putting x=7 and y=-2 in (i), we get
3×7+5×(-2) =21-10=11=RHS
putting x=7 and y=-2 in (ii), we get
4×7+6(-2) =28-12=16which is not equal to 12(RHS)
Therefore, (7, -2) is not a solution of given system.
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