Question 105731


2.
{{{3x+6y=-6}}}
{{{9x+18y=-18}}}
there are no solutions, and the system is {{{dependent }}}

the system is {{{dependent}}} that the equations have the same slope and the same intercept, and the lines are actually both the same line 

*[invoke solving_linear_system_by_substitution 3, 6, -6, 9, 18, -18]


3. 	

{{{3x+6y=-6}}}
{{{3x+6y=-7}}}
there are no solutions, and the system is {{{inconsistent}}}


*[invoke solving_linear_system_by_substitution 3, 6, -6, 3, 6, -7]