document.write( "Question 1158555: evaluate a(b(n)) for a(b)=3b and b(n)=5n-9 when n=3 \n" ); document.write( "

Algebra.Com's Answer #781507 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "evaluate $\"a%28b%28n%29%29+\"$ for $\"a%28b%29=3b\"$ and $\"b%28n%29=5n-9\"$ when $\"n=3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"a%28b%28n%29%29+=a%285n-9%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"a%28b%28n%29%29+=3%285n-9%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"a%28b%28n%29%29+=15n-27\"$ \n" ); document.write( "

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