document.write( "Question 503296: F(x)= 3x-8
\n" ); document.write( " -----
\n" ); document.write( " 4x+20
\n" ); document.write( "This means wherever you see the letter x, you replace it with (3x-8) since that is the given function.\r
\n" ); document.write( "\n" ); document.write( "Therefore it would be set up:
\n" ); document.write( "4(3x-8)+20=0
\n" ); document.write( "Next, distribute (multiply 4(3x) and 4(-8)
\n" ); document.write( "12x-32+20=0
\n" ); document.write( "(-32+20 can be condensed)
\n" ); document.write( "12x-12=0
\n" ); document.write( "Now you want your x's on one side, and numbers on the other.
\n" ); document.write( "This is done by adding 12 to both sides so it cancels on one side, and transfers over to the other.
\n" ); document.write( "12x=12
\n" ); document.write( "Finally, we want x by itself to determine what its value is.
\n" ); document.write( "This is done by dividing by the number attached to the x.
\n" ); document.write( "And remember, whatever you do to one side, needs to be done to the other.
\n" ); document.write( "Therefore, divide both sides by 12
\n" ); document.write( "x=1
\n" ); document.write( "

Algebra.Com's Answer #339185 by nic0le116(25)\"\" \"About 
You can put this solution on YOUR website!
This means wherever you see the letter x, you replace it with (3x-8) since that is the given function.\r
\n" ); document.write( "\n" ); document.write( "Therefore it would be set up:
\n" ); document.write( "4(3x-8)+20=0\r
\n" ); document.write( "\n" ); document.write( "Next, distribute (multiply 4(3x) and 4(-8)
\n" ); document.write( "12x-32+20=0\r
\n" ); document.write( "\n" ); document.write( "(-32+20 can be condensed)
\n" ); document.write( "12x-12=0\r
\n" ); document.write( "\n" ); document.write( "Now you want your x's on one side, and numbers on the other.
\n" ); document.write( "This is done by adding 12 to both sides so it cancels on one side, and transfers over to the other.
\n" ); document.write( "12x=12\r
\n" ); document.write( "\n" ); document.write( "Finally, we want x by itself to determine what its value is.
\n" ); document.write( "This is done by dividing by the number attached to the x.
\n" ); document.write( "And remember, whatever you do to one side, needs to be done to the other.
\n" ); document.write( "Therefore, divide both sides by 12
\n" ); document.write( "x=1
\n" ); document.write( "
\n" );