document.write( "Question 319461: Solve using the addition principle.\r
\n" ); document.write( "\n" ); document.write( "z - 7 > 2
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Algebra.Com's Answer #228758 by Alan3354(69443)\"\" \"About 
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z - 7 > 2
\n" ); document.write( "Add 7 to both sides
\n" ); document.write( "z > 2 + 7
\n" ); document.write( "z > 9
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