document.write( "Question 658442: 21=5(x+3)\r
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Algebra.Com's Answer #410300 by colliefan(242)\"\" \"About 
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21=5(x+3)
\n" ); document.write( "21=5x+15 distributive prop\r
\n" ); document.write( "\n" ); document.write( "21-15=5x+15-15
\n" ); document.write( "6=5x+0
\n" ); document.write( "6=5x
\n" ); document.write( "1/5*6=5x*1/5
\n" ); document.write( "6/5=x*5/5
\n" ); document.write( "6/5=x*1
\n" ); document.write( "6/5=x\r
\n" ); document.write( "\n" ); document.write( "x=6/5\r
\n" ); document.write( "\n" ); document.write( "Substitute this into the original equation to make sure it is a correct solution.
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