document.write( "Question 169393: How Can i write an expression that is equivalent to 3x-(4+2x) ? \n" ); document.write( "
Algebra.Com's Answer #124899 by gonzo(654)\"\" \"About 
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your equation:
\n" ); document.write( "3x-(4+2x)
\n" ); document.write( "remove the parentheses:
\n" ); document.write( "3x - 4 - 2x
\n" ); document.write( "combine like terms:
\n" ); document.write( "x - 4
\n" ); document.write( "your new expression that is equivalent to your original expression:
\n" ); document.write( "x-4 = 3x-(4+2x)
\n" ); document.write( "-----
\n" ); document.write( "to prove, let x = 0:
\n" ); document.write( "0-4 = 0 - (4+0)
\n" ); document.write( "0-4 = 0-4
\n" ); document.write( "-4 = -4
\n" ); document.write( "-----
\n" ); document.write( "let x = 100:
\n" ); document.write( "100 - 4 = 3*100 - (4 + 2*100)
\n" ); document.write( "96 = 300 - (204)
\n" ); document.write( "96 = 96
\n" ); document.write( "-----
\n" ); document.write( "equations are equivalent.\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
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