document.write( "Question 791172: y= 4X
\n" ); document.write( "X+Y=5
\n" ); document.write( "How do I solve this equation?
\n" ); document.write( "

Algebra.Com's Answer #479415 by wilft1(217)\"\" \"About 
You can put this solution on YOUR website!
if y = 4x, then substitute that in for the bottom equation\r
\n" ); document.write( "\n" ); document.write( "make x + y = 5 into x + 4x = 5 then solve\r
\n" ); document.write( "\n" ); document.write( "x + 4x = 5\r
\n" ); document.write( "\n" ); document.write( "combine like terms\r
\n" ); document.write( "\n" ); document.write( "5x = 5\r
\n" ); document.write( "\n" ); document.write( "divide both sides by 5\r
\n" ); document.write( "\n" ); document.write( "x = 5/5\r
\n" ); document.write( "\n" ); document.write( "x = 1
\n" ); document.write( "
\n" );