document.write( "Question 223017: how do do the problem -1=5-z-z where do i start? \n" ); document.write( "
Algebra.Com's Answer #166850 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"-1=5-z-z\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"-1=-2z%2B5\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"-1-5=-2z\" Subtract \"5\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-6=-2z\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"-2z=-6\" Rearrange the equation.\r
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\n" ); document.write( "\n" ); document.write( "\"z=%28-6%29%2F%28-2%29\" Divide both sides by \"-2\" to isolate \"z\".\r
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\n" ); document.write( "\n" ); document.write( "\"z=3\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the answer is \"z=3\"
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