document.write( "Question 644063: Solve for c: A = 1/3 ( a + b + c ) \n" ); document.write( "
Algebra.Com's Answer #404777 by jim_thompson5910(35256)\"\" \"About 
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A = 1/3 ( a + b + c )\r
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\n" ); document.write( "\n" ); document.write( "3A = a + b + c \r
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\n" ); document.write( "\n" ); document.write( "3A - a = b + c \r
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\n" ); document.write( "\n" ); document.write( "3A - a - b = c \r
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\n" ); document.write( "\n" ); document.write( "c = 3A - a - b
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