InterviewSolution
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InterviewSolution
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Solve 2x+3y=11 and 2x-4y=-24 and hence find the value of \'m\' for which y =mx +3 |
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Answer» For value of m y=mx+3 5=m(-2)+3 5-3=-2m 2=-2m 2/-2=m -1=m 2x+3y=11_I2x-4y=-24_IISubrtacting II from I2x+3y=112x-4y=-24- + + --------------- 7y=35 y=35/7 y=5 Put y=5 in I 2x+3y=11 2x+3(5)=11 2x+15=11 2x =11-15 2x =-4 x =-4/2 x=-2Therefore,x=-2 y=5 |
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