document.write( "Question 674890: If \n" ); document.write( "
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Algebra.Com's Answer #419458 by ReadingBoosters(3246)\"\" \"About 
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A+B=90
\n" ); document.write( "3x-7 + 11x-1 = 90
\n" ); document.write( "3x + 11x - 7 - 1 = 90
\n" ); document.write( "14x - 8 = 90
\n" ); document.write( "14x = 90 + 8
\n" ); document.write( "14x = 98
\n" ); document.write( "x = 7
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\n" ); document.write( "m(A) = 3(7) - 7 = 21-7 = 14
\n" ); document.write( "m(B) = 11(7) - 1 = 77 - 1 = 76
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