document.write( "Question 1146734: -4x-9-4x=39. What is X ? Thank you
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Algebra.Com's Answer #768002 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! -4x -9 -4x = 39 \n" ); document.write( ": \n" ); document.write( "add 9 to both sides of the = \n" ); document.write( ": \n" ); document.write( "-4x -4x = 48 \n" ); document.write( ": \n" ); document.write( "-8x = 48 \n" ); document.write( ": \n" ); document.write( "divide both side of = by -8 \n" ); document.write( ": \n" ); document.write( "x = -6 \n" ); document.write( ": \n" ); document.write( "check the answer by subsittuting for x in original equation \n" ); document.write( ": \n" ); document.write( "-4(-6) -9 -4(-6) = 39 \n" ); document.write( ": \n" ); document.write( "24 -9 +24 = 39 \n" ); document.write( ": \n" ); document.write( "48 -9 = 39 \n" ); document.write( ": \n" ); document.write( "39 = 39 \n" ); document.write( ": \n" ); document.write( "answer checks \n" ); document.write( ": \n" ); document.write( " |