document.write( "Question 104600: having a difficult time with finding the answer to a - 8 = 23? how do i solve a? and 13 + z = 6 how do I solve for z
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Algebra.Com's Answer #76122 by tutorcecilia(2152)\"\" \"About 
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a - 8 = 23
\n" ); document.write( "a-8+8=23+8
\n" ); document.write( "a=31
\n" ); document.write( "Checking:
\n" ); document.write( "Let a=31
\n" ); document.write( "(31)-8=23
\n" ); document.write( "23=23
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\n" ); document.write( "13 + z = 6
\n" ); document.write( "13-13+z=6-13
\n" ); document.write( "z=-7
\n" ); document.write( "Checking:
\n" ); document.write( "Let z=-7
\n" ); document.write( "13+(-7)=6
\n" ); document.write( "6=6
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