Solve the system using addition/elimination method. If there is exactly one solution, write as an ordered pair. Otherwise, choose one of the other options.
{
4
x
−
4
y
=
−
4
6
x
−
6
y
=
−
9
\displaystyle {\left\lbrace\begin{array}{ccccc} {4}{x}&-&{4}{y}&=&-{4}\\{6}{x}&-&{6}{y}&=&-{9}\end{array}\right.}
{
4
x
6
x
−
−
4
y
6
y
=
=
−
4
−
9
One solution:
No solution
Infinite number of solutions
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