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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
In order to solve this problem we must first complete the square. To complete the square we need to factorise the equation to get the coefficient of x to be 1. This gives: 2(x^2-3x)+5. We then need to com...
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