Question 968973
The solution is that it forms a line.  One option is put into general, or slope-intercept form, since the form is usually easier to read and understand.


{{{3y+21=7x}}}


{{{3y/3+21/3=(7/3)x}}}


{{{y+7=(7/3)x}}}


{{{y=(7/3)x-7}}}