document.write( "Question 83187: f(x)= 3x-18/2x-10 \n" ); document.write( "
Algebra.Com's Answer #59709 by tutorcecilia(2152)\"\" \"About 
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Set the equation equal to zero and solve for the x-term
\n" ); document.write( " 3x-18/2x-10=0
\n" ); document.write( "(2x-10)(3x-18/2x-10=(0)(2x-10)
\n" ); document.write( "3x-18=0
\n" ); document.write( "3x-18+18=0+18
\n" ); document.write( "3x=18
\n" ); document.write( "3x/3=18/3
\n" ); document.write( "x=6
\n" ); document.write( ".
\n" ); document.write( "Check by plugging x=6 back into the original equation:
\n" ); document.write( "f(x)= 3x-18/2x-10
\n" ); document.write( "f(6)= 3(6)-18/2(6)-10
\n" ); document.write( "f(6)=18-18/12-10
\n" ); document.write( "f(6)=0/2
\n" ); document.write( "f(6)=0 [checks out] \n" ); document.write( "
\n" );