document.write( "Question 1154560: what is y=4x and 3x-y=1 using substitution
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Algebra.Com's Answer #777006 by Alan3354(69443)\"\" \"About 
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what is y=4x and 3x-y=1 using substitution
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\n" ); document.write( "They're 2 equations, to answer \"what is?\"
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\n" ); document.write( "If you want to solve for x & y:
\n" ); document.write( "Sub for y in the 2nd equation.
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