document.write( "Question 157840: please help me with this equation
\n" ); document.write( "b-(1-2b)+(b-3)=-4
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Algebra.Com's Answer #116295 by gonzo(654)\"\" \"About 
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b - (1 - 2*b) + (b - 3) = -4
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\n" ); document.write( "b - 1 + 2*b + b - 3 = -4
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\n" ); document.write( "4*b -4 = -4
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\n" ); document.write( "4*b = 0
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\n" ); document.write( "b = 0
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\n" ); document.write( "if you minus a minus you get a plus
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