Hi, having trouble with arranging formulae that have a negative sign. i.e. a - bx = m - bx = m - a x = [m - a][/-b] thats my working of the problem but the text book answer is: x = [a - m][/b] what am I doing wrong?
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Originally Posted by nativecat Hi, having trouble with arranging formulae that have a negative sign. i.e. a - bx = m - bx = m - a x = [m - a][/-b] thats my working of the problem but the text book answer is: x = [a - m][/b] what am I doing wrong? You haven't done anything wrong. Remember that and that a negative times/divided by a negative gives a positive. So from your working you've ended up with .
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