document.write( "Question 1028824: Solve each equation. Show all your work for full credit
\n" ); document.write( "a. 3^2n+1 = 81
\n" ); document.write( "b. log10 4 + log10 (z+3)=2 \n" ); document.write( "

Algebra.Com's Answer #643872 by Fombitz(32388) $\"\"$ $\"About$

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$\"3%5E%282n%2B1%29=81\"$
\n" ); document.write( " $\"3%5E%282n%2B1%29=3%5E4\"$
\n" ); document.write( " $\"2n%2B1=4\"$
\n" ); document.write( " $\"2n=3\"$
\n" ); document.write( " $\"n=3%2F2\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( " $\"log%28%284%29%29%2Blog%28%28z%2B3%29%29=2\"$
\n" ); document.write( " $\"log%28%284%28z%2B3%29%29%29=2\"$
\n" ); document.write( " $\"4z%2B12=100\"$
\n" ); document.write( " $\"4z=88\"$
\n" ); document.write( " $\"z=22\"$ \n" ); document.write( "

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