document.write( "Question 208370: 5x+(180-x)=300 \n" ); document.write( "

Algebra.Com's Answer #157646 by rfer(16322) $\"\"$ $\"About$

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5x+(180-x)=300
\n" ); document.write( "5x+180-x=300
\n" ); document.write( "subtract 180 from both sides
\n" ); document.write( "5x+180-180-x=300-180
\n" ); document.write( "5x-x=120
\n" ); document.write( "combine
\n" ); document.write( "4x=120
\n" ); document.write( "x=30 \n" ); document.write( "

\n" );