document.write( "Question 445496: it's says: solve by substitution. x-3y=-8 and y=x+2. I alreay know the answer, its (1, 3) but everytime i work it i come up with something completely different. \n" ); document.write( "

Algebra.Com's Answer #306857 by rwm(914) $\"\"$ $\"About$

You can put this solution on YOUR website!
Where is your work?\r
\n" ); document.write( "\n" ); document.write( "x-3y=-8
\n" ); document.write( "y=x+2
\n" ); document.write( "x-3(x+2)=-8
\n" ); document.write( "x-3x-6=-8
\n" ); document.write( "-2x=-2
\n" ); document.write( "x=1
\n" ); document.write( "y=x+2
\n" ); document.write( " \n" ); document.write( "

\n" );