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Firstly, take the second equation and make either x or y the subject, which means to make it either x equals or y equals. To make x the subject, we take y away from both sides giving x=8-y. Then, substitu...

Ok I see why you are asking yourself this since right now you are only expressing certain formulae in a different way. Let me first talk about something else before giving you this answer. When you were i...

First convert all fractions into improper fractions: 11/412/7 Then break down the nominator and denominators into their lowest common denominators (1134)/(47) Cancel the common factors o...

The objective of this question is to find the solution, what is x equal to? The first thing to do is try to get all x terms on one side of the equation and all non x terms on the other. Here we have posit...