document.write( "Question 691196: (2x/5) + 3 = (7x/10) \n" ); document.write( "
Algebra.Com's Answer #426571 by checkley79(3341)\"\" \"About 
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(2x/5) + 3 = (7x/10)
\n" ); document.write( "2X/5-(7X/10=-3
\n" ); document.write( "(2*2X/5-7X)/10=-3
\n" ); document.write( "(4X-7X)/10=-3
\n" ); document.write( "-3X/10=3
\n" ); document.write( "-3X=-30
\n" ); document.write( "X=-30/-3
\n" ); document.write( "X=30/3
\n" ); document.write( "X=10 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "(2*10)/5+3=(7*10)/10
\n" ); document.write( "20/5+3=70/10
\n" ); document.write( "4+3=7
\n" ); document.write( "7=7
\n" ); document.write( " \n" ); document.write( "
\n" );