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Zinaida [17]
2 years ago
10

Given the formula:

" title="x = \frac{1 + a}{1 - a} " alt="x = \frac{1 + a}{1 - a} " align="absmiddle" class="latex-formula">
Solve for "a" when x=12.​
Mathematics
1 answer:
shtirl [24]2 years ago
8 0

12 = \frac{1+a}{1-a} => 12(1-a)= 1+ a \\=> 12 -12a = 1 + a => 12a+1 = 12-1 \\=> 13a = 11 => a= \frac{11}{13}

ok done. Thank to me :>

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vagabundo [1.1K]

Hi there!

<em><u>Answer:</u></em>

<em><u>=107</u></em>

<em><u>*The answer must have a positive sign.*</u></em>

Step-by-step explanation:

<h2><u>Lesson: Order of operations</u></h2>

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Have a nice day! :)

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