document.write( "Question 973309: if y=2x and y=6-x then x= ? \n" ); document.write( "
Algebra.Com's Answer #595519 by macston(5194)\"\" \"About 
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\n" ); document.write( "y=2x Use this to substitute for y in other equation
\n" ); document.write( "y=6-x Substitute from above.
\n" ); document.write( "2x=6-x
\n" ); document.write( "3x=6
\n" ); document.write( "x=2
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