document.write( "Question 61770: 5x+2x-9=40 we just need to solve the problem. \n" ); document.write( "
Algebra.Com's Answer #42507 by jai_kos(139)\"\" \"About 
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Given 5x + 2x - 9 = 40
\n" ); document.write( "Group up all the \"x\" terms in one side and all the numbers on the other side,
\n" ); document.write( "We get
\n" ); document.write( "5x +2x = 40 + 9
\n" ); document.write( "7x = 49
\n" ); document.write( "Divide by 7 on both sides, we get
\n" ); document.write( "x = 49 / 7
\n" ); document.write( "x = 7
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