<PRE><B>Question 884362</B>
Obviously the two equations are the same.  The graph will be just one line.  


{{{graph(300,300,-10,10,-10,10,(7/8)x+2)}}}




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As I said, those two equations are the same.
{{{7x-8y=-16}}}, the first equation.
{{{7x-8y+8y=-16+8y}}}, Addition Property of Equality
{{{7x+0=-16+8y}}}, Additive Inverse Property
{{{7x=8y-16}}}, Addition Property of Zero and Commutative Property of Addition.
This last equation is identical in form and equivalent to the second equation.</PRE>