document.write( "Question 925919: Substitute 0 for y in the rule for f(x) and solve for x
\n" ); document.write( " F(x)=-4x-8
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Algebra.Com's Answer #561838 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "Substitute \"0\" for \"y\" in the rule for \"f%28x%29\" and solve for \"x\":
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\n" ); document.write( "\"f%28x%29=-4x-8\"........\"f%28x%29=y=0\"\r
\n" ); document.write( "\n" ); document.write( "\"0=-4x-8\"\r
\n" ); document.write( "\n" ); document.write( "\"0%2B4x=-4x%2B4x-8\"\r
\n" ); document.write( "\n" ); document.write( "\"4x=-8\"\r
\n" ); document.write( "\n" ); document.write( "\"x=-8%2F4\"\r
\n" ); document.write( "\n" ); document.write( "\"x=-2\"
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