If i have to find the values of 2 constants and i have two equations with me
(E.G 1. 2m-n=6 and 2. 6m+2n=27)
How do i know if i have to add both the equations or subtract them.
and which equation should i place first? equation 1 or equation 2?
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see basically for an equation of two variables its upto elimination of a variable here if you multiply eg1 by 2 and then subtract it from eg.2 you will get an equation in one variable addition and note subtraction depends upon the sign of the variable to be eliminated
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