document.write( "Question 547018: 7 + x = 2x \n" ); document.write( "
Algebra.Com's Answer #356172 by Maths68(1474)\"\" \"About 
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\"7%2Bx=2x\"
\n" ); document.write( "Subtract x from both sides of the equation
\n" ); document.write( "\"7%2Bx-x=2x-x\"
\n" ); document.write( "\"7%2Bcross%28x%29-cross%28x%29=x\"
\n" ); document.write( "\"7=x\"
\n" ); document.write( "\"x=7\"\r
\n" ); document.write( "\n" ); document.write( "Check
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\n" ); document.write( "Put the value of x in the equation
\n" ); document.write( "\"7%2Bx=2x\"
\n" ); document.write( "\"7%2B7=2%287%29\"
\n" ); document.write( "\"14=14\"\r
\n" ); document.write( "\n" ); document.write( "
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