document.write( "Question 693434: Solve for z. Show ALL work: 7z - 18 = -2z + 18
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Algebra.Com's Answer #427395 by jim_thompson5910(35256)\"\" \"About 
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\"7z-18=-2z%2B18\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"7z=-2z%2B18%2B18\" Add \"18\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"7z%2B2z=18%2B18\" Add \"2z\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"9z=18%2B18\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"9z=36\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"z=%2836%29%2F%289%29\" Divide both sides by \"9\" to isolate \"z\".\r
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\n" ); document.write( "\n" ); document.write( "\"z=4\" 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 solution is \"z=4\"
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