Subtraction of like terms with same signs, Mathematics

Suppose we are required to find the difference between 3abc and 7abc. We look at two scenarios. The value we would obtain by subtracting a larger quantity from the smaller quantity is not the same as one got by subtracting the lower value from the higher value. In the first scenario we have 7abc - 3abc which is 4abc. This is different from the value got in the second scenario which is 3abc - 7abc = - 4abc. Therefore, whenever a bigger value is subtracted from a smaller value, the process is as usual but to the solution part we prefix the minus sign, while the subtraction of a smaller value from a bigger value is nothing but the normal subtraction.

Posted Date: 9/13/2012 2:38:52 AM | Location : United States







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