document.write( "Question 1002812: Please help me solve this
\n" ); document.write( "f(x)=7~3x,find f(-3) \n" ); document.write( "

Algebra.Com's Answer #619663 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( " $\"f%28x%29=7-3x\"$ ,find $\"f%28-3%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28-3%29=7-3%28-3%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28-3%29=7%2B9\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28-3%29=16\"$ \r
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