document.write( "Question 1144199: how to do: 7x + 9 - 2x = -1 \n" ); document.write( "

Algebra.Com's Answer #765230 by ikleyn(52824) $\"\"$ $\"About$

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document.write( "7x + 9 - 2x = -1\r\n" );
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document.write( "First step, subtract 9 from both sides. You will get\r\n" );
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document.write( "7x + 9 - 9 - 2x = -1 -9\r\n" );
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document.write( "Next step, combine like terms in each side.   You will get\r\n" );
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document.write( "5x = - 10.\r\n" );
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document.write( "Final step, divide both sides by 5.  You will get\r\n" );
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document.write( "x =  = -2.\r\n" );
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document.write( "ANSWER.  x= -2.\r\n" );
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\n" ); document.write( "\n" ); document.write( "On solving single linear equations in one unknown see the lesson\r
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