Solve the system: {(-3x,+,y,=,2),(9x,-,3y,=,-6):}

Question
Systems of equations
Solve the system: {(-3x,+,y,=,2),(9x,-,3y,=,-6):}

2021-02-11
{(-3x,+,y,=,2),(9x,-,3y,=,-6):} Multiply equation (1) by 3: {(-9x,+,3y,=,6),(9x,-,3y,=,-6):} The lines (1) and (2) are parallel, hence the system doesn’t have a solution.

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