InterviewSolution
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InterviewSolution
| 1. |
6x+3y=20 |
| Answer» {tex}2x + y = 6{/tex}{tex}\\Rightarrow y =-2x + 6{/tex}\tx{tex}2{/tex}{tex}4{/tex}y{tex}2{/tex}{tex}-2{/tex}\t{tex}6x + 3y = 20{/tex}{tex}\\Rightarrow y = \\frac {20-6x} { 3 }{/tex}\tx{tex}0{/tex}{tex}\\frac{10}{3}{/tex}y{tex}\\frac{20}{3}{/tex}{tex}0{/tex}\tThe graph of the system of equations is parallel lines\xa0{tex}\\therefore{/tex} the system has no solution and hence is inconsistent. | |