document.write( "Question 183802: 1) 4(a-3)=3-(a+5)\r
\n" ); document.write( "\n" ); document.write( "2) 3z=2(z-3)+9\r
\n" ); document.write( "\n" ); document.write( "3) 8a-(a-7)=21\r
\n" ); document.write( "\n" ); document.write( "I am in an adult ed program getting my high school diploma. These three problems are the only ones that I am struggling real hard with. We are given packets to work--and I have grasped most of the problems. These three are the ones that are not computing for me. HELP!!
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Algebra.Com's Answer #137918 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
1) 4(a-3)=3-(a+5)
\n" ); document.write( "4a - 12 = 3 - a - 5\r
\n" ); document.write( "\n" ); document.write( "5a -12 = -2\r
\n" ); document.write( "\n" ); document.write( "5a = 10\r
\n" ); document.write( "\n" ); document.write( "a = 2
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\n" ); document.write( "\n" ); document.write( "2) 3z=2(z-3)+9 \r
\n" ); document.write( "\n" ); document.write( "3z = 2z - 6 + 9\r
\n" ); document.write( "\n" ); document.write( "z = 3
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\n" ); document.write( "\n" ); document.write( "3) 8a-(a-7)=21 \r
\n" ); document.write( "\n" ); document.write( "8a - a + 7 = 21\r
\n" ); document.write( "\n" ); document.write( "7a = 14\r
\n" ); document.write( "\n" ); document.write( "a = 2
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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