document.write( "Question 157919: (2z-3)1/2=9\r
\n" ); document.write( "\n" ); document.write( "the (2z-3) is raised to the 1/2 power. \n" ); document.write( "

Algebra.Com's Answer #116359 by jojo14344(1513) $\"\"$ $\"About$

You can put this solution on YOUR website!
(2z-3)1/2=9
\n" ); document.write( "Re-writing: $\"%282z-3%29%5E%281%2F2%29=9\"$ ----------------------> working eqn
\n" ); document.write( " $\"%28%282z-3%29%5E%281%2F2%29%29%5E2=9%5E2\"$ , square both sides to cancell exponent:
\n" ); document.write( " $\"%28%282z-3%29%5E%281%2Fcross%282%29%29%29%5Ecross%282%29=81\"$
\n" ); document.write( " $\"2z=81%2B3\"$ , combine similar terms
\n" ); document.write( " $\"cross%282%29z=cross%2884%2942%2Fcross%282%29\"$
\n" ); document.write( " $\"z=42\"$
\n" ); document.write( "To check go back working eqn:
\n" ); document.write( " $\"%282%2842%29-3%29%5E%281%2F2%29=9\"$
\n" ); document.write( " $\"%2884-3%29%5E%281%2F2%29=9\"$
\n" ); document.write( " $\"%2881%29%5E%281%2F2%29=9\"$
\n" ); document.write( " $\"9=9\"$
\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo\r
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