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Solve for the indicated variable.$$z= rac{a}{b+c} ext { for } b$$...

Question

Solve for the indicated variable.$$z= rac{a}{b+c} ext { for } b$$

Solve for the indicated variable. $$z=\frac{a}{b+c} \text { for } b$$



Answers

Solve for the indicated variable. $$z=\frac{a}{b+c} \text { for } b$$

Question 1 24 I have 70 minus seven equals eight C. Now this problem's a little different and that we have Z's on both sides of the equal sign. So I want these on one type of the equal sign and numbers on the other. So I'm going to subtract my 70 from both sides. So now I have negative seven eight minus seven is one. So I don't have to write the one I could just write. C equals negative seven. And now I can check my answer. Every time I see a Z, I'm gonna put in a negative seven. So seven times negative seven minus seven equals eight times negative seven. So this is negative. 49 seven times negative. Seven minus seven negative. 49 minus seven is negative. 56 and eight times negative. Seven is negative. 56 negative. 56 equals negative. 56. So our answer checks

38 and a plus one over b equals a minus one Overbey. Plus he'd plus one over a said, I'm gonna multiplied by a common denominator of a B. So I get and me a plus one equals a pain minus one. Must be feet plus one. You get my age on the same side tie of a A plus run minus a a minus one Distracted this that's I equals B be last one a squared plus a minus ace Where plus a equals bees where'd must be a square days where clamp to a equals B squared plus B so I can divide by two. Or it's the same thing as saying 1/2 times e squared plus b equals A that things are equivalent.

We have to prove that that plus that Io thought is equal to the way and that minus that iota is required to be iota. For this. We have given that that is required toe a plus B iota so that bar is equal to a minus b iota. Now that plus that bar is equal toe a plus B iota plus a minus B iota. Now adding these values we get a plus B iota plus a minus B iota is equal to the way now that minus said but is equal toe a plus B iota minus a minus b iota. On simplifying this, we get a plus B iota minus a minus and minus, plus B iota vittles to be iota. So we have proved that Zach Plus said Bar is equal to the way and that miners that but is equal Toto be iota. So the answer is Toby, Toby Iota, and the way

We have to prove that that the bull bar is equal to that. For this, we have given that then does acquire toe a plus b io tough. So Zack Barth is required toe a minus b iota and that the bull bar is equal to e plus b iota, which is the court does that so that the bull bar is equal to that hands reproof.


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