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The key concept to answering this question is to notice that you need a common denominator for both fractions in order to subtract and simplify them. Clearly the two denominators: (x-1) and (x+1) are not ...
1 x 3x / 7 x 3x + 5 x7 / 3x /7
= 3x/21x + 35/21x
= 3x + 35 / 21x
x=0.921 x=-2.17
You should manipulate the equations into a form where you can eliminate a variable, using two of the equations. From here, you should be left with two new equations and two unknown variables. Repeat the s...
x=11/5
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