5 answers

-2 Ex(Y-4-bX) j=1-2 Ey(Y-4-b1) j=1-22 (Yi-4-b1) j=

Question:

-2 Ex(Y-4-bX) j=1 -2 Ey(Y-4-b1) j=1 -22 (Yi-4-b1) j=


Answers

$$\left(\frac{2}{7}\right)^{2} \div \frac{3}{14}$$

.

In this question we are going to solve a system of linear equations using substitution in order to do that. We want to isolate one of the variables in one of the equations. If you're paying attention you'll notice that the second equation can be simplified. Yeah. Yeah.

If you divide both sides of the equation by two. Mhm. And then it's easy to isolate why. Mm. This gives us a great equation to substitute into the first equation.

We are going to substitute or why. Mm. Okay now we have an equation that can be solved for ex let's distribute the 15. The negative 15 negative 15 times negative six is 90. Yeah.

Mhm X plus 30 equals seven. We can combine like terms. Yeah and subtract 30 from both sides. Mhm. Mhm.

If I divide both sides by 92 I find that X has a value of 1/4 negative 1/4. Now let's take that X. Value back up into the equation that we isolated Why and substitute in a negative 1/4. Six negative times negative would be positive 6/4 or three halves, and we need a common denominator. Three halves minus four half is negative one half.

That makes the solution to this system of equations, the ordered pair negative 1/4 common negative one half..

In this problem off operations with my crisis we have to solve for X and y to make my sister given. And it is given that they both are equal. We know dead to my crisis is equal when their corresponding actresses are equal corresponding toe this entry that is corresponding Toe X. We have minus four. As these two matrices are equal, we can say that X is equal to minus four and corresponding toe This entry that is corresponding to 23.

We have vibe as these two matrices are equal. These two entries are also equal. That is 23 is equal to well or we can say that why is equal to 23. So we have sold for extend Well X is equal to minus four And why is equal to 23? Yeah..

I need to solve that. Give insert off questions. That's all this from this. Let's find overly off. X Y X y z equals toe saving minus three vice squared, divided by two Similarly, from here also, X ray will be four plus two y square over three.

So since I left SSE Colby can equip Tara just weaken writes 37 minus three by square. Over two is equal to four plus two y square over three and that can be read Ministry in tow. This that will be 21 minus nine by square is equals toe eight plus four by square. Let's take everything one side. So this was this discos.

Yet this will come nine plus for 13 and print even minus eight also 30. So that means Vice Square is a calls to one. That means why is it questo? One end minus one. Okay, so if we substitute this value here or here in any question that substitute here than extra lubie will get is if he substituted one. Then one X s equals to four plus two upon 34 to 6 of country two.

If we substitute minus one, then minus x is equal to similarly four plus two upon treat plus two that is minus X so X will be minus off. So this is that solution..

The South for Why means the isolate? The why I'll start by subtracting two X on both sides. So that gives me negative for why. And then I always write the neck the X term first, so that would be negative. Two X plus seven. Divide everything by negative for to each term.

So ah, negative, divided by negative, gives me a positive I'll reduce that gives me 1/2 X and then a positive or a negative gives me negative soul rate subtraction, and that would be my final answer..

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