document.write( "Question 218412: What is the value of x if y=3x and 4x+2y=30? \n" ); document.write( "
Algebra.Com's Answer #164504 by rfer(16322)\"\" \"About 
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4x+2y=30
\n" ); document.write( "4x+2(3x)=30
\n" ); document.write( "4x+6x=30
\n" ); document.write( "10x=30
\n" ); document.write( "x=3
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