document.write( "Question 20751: need to solve and check the equation 15 / x + 9x-7 / x+2 = 9 This is 15 over x added to 9x-7 over x+2 equals 9 I know you need to find the LCD but I keep coming up with different answers Please help \n" ); document.write( "

Algebra.Com's Answer #9974 by MORUPHOSUOLALE(24) $\"\"$ $\"About$
You can put this solution on YOUR website!
Its just a simple equation if you know each simple steps.\r
\n" ); document.write( "\n" ); document.write( "15/X + 9X-7/x+2=9
\n" ); document.write( "The best and easy way is to cross multtiply.
\n" ); document.write( "The equation will become- 15(x+2)+9x-7(x)=(x)(x+2}(9)
\n" ); document.write( " 15X+30+9x^2-7x=(x^2+2X}(9)
\n" ); document.write( " 15x+30+9X^2-7x=9x^2+18x
\n" ); document.write( "collecting like terms- 9x^2-9x^2+15x-7x-18x=-30
\n" ); document.write( " 15x-25x=-30
\n" ); document.write( " -10x=-30
\n" ); document.write( " x=-30/-10
\n" ); document.write( " x=3\r
\n" ); document.write( "\n" ); document.write( "TO CHECK IF WE GOT THE RIGHT ANSWER
\n" ); document.write( " plug in (3) the value of x into the equation and the left hand side of the equation must equal to the rght hand side
\n" ); document.write( "lets see-
\n" ); document.write( " 15/x + 9x-7/x+2=9
\n" ); document.write( " 15/3+9(3)-7/3+2=9
\n" ); document.write( " 5 + 27-7/5 = 9
\n" ); document.write( " 5+20/5 = 9
\n" ); document.write( " 5+4 = 9
\n" ); document.write( " 9 = 9
\n" ); document.write( "moruph osuolale,
\n" ); document.write( "central piedmont college,
\n" ); document.write( "charlotte,nc \n" ); document.write( "

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