document.write( "Question 224068: 3x+y=-5 y=x+3 sove by sobstitution. express our answer \n" ); document.write( "
Algebra.Com's Answer #167393 by stanbon(75887)\"\" \"About 
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3x+y=-5
\n" ); document.write( "y=x+3
\n" ); document.write( "solve by substitution.
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\n" ); document.write( "Substitute for \"y\" and solve for \"x\":
\n" ); document.write( "3x + x+3 = -5
\n" ); document.write( "4x = -8
\n" ); document.write( "x = -2
\n" ); document.write( "-------
\n" ); document.write( "Substitute into y = x+3 to solve for \"y\":
\n" ); document.write( "y = -2+3 = 1
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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