document.write( "Question 394309: how do you solve
\n" ); document.write( "y=-x+4
\n" ); document.write( "y=2x+6
\n" ); document.write( "using substitution? \n" ); document.write( "

Algebra.Com's Answer #279777 by TeishaRenee(14) $\"\"$ $\"About$

You can put this solution on YOUR website!
okay i think i got this one lol
\n" ); document.write( "first you would take the top equation and set it equal to x
\n" ); document.write( "so y=-x+4
\n" ); document.write( "subtract 4 from both sides
\n" ); document.write( "y-4=-x
\n" ); document.write( "divide by -1
\n" ); document.write( "-y+4=x
\n" ); document.write( "then plug that into the second equation where x would be
\n" ); document.write( "so y=2(y-4)+6
\n" ); document.write( "then multiply
\n" ); document.write( "y=2y-8+6
\n" ); document.write( "do the -8+6
\n" ); document.write( "which makes -2
\n" ); document.write( "so y=2y-2
\n" ); document.write( "subtract 2y from both sides
\n" ); document.write( "-y=-2
\n" ); document.write( "multiply by -1
\n" ); document.write( "y=2 then plug in the y=2 to the first equation
\n" ); document.write( "y=-x+4
\n" ); document.write( "2=-x+4
\n" ); document.write( "subtract 4 from both sides
\n" ); document.write( "-2=-x
\n" ); document.write( "divide by -1 on both sides
\n" ); document.write( "x=2
\n" ); document.write( "so your answers are x=2 and y=2
\n" ); document.write( "if you need help on any more of these i will gladly help you.
\n" ); document.write( "send me an email trdl@msn.com
\n" ); document.write( "ill get back to you right away unless its a weekend. :)
\n" ); document.write( "hope this helped. let me know if you have any more ?s \n" ); document.write( "

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