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Gennadij [26K]
3 years ago
15

Verify -(-x) = x for: a)

\frac{5}{9}" align="absmiddle" class="latex-formula">
b) \frac{-3}{8}
Mathematics
1 answer:
Mila [183]3 years ago
5 0
It a because negative times a negative is a positive
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2 years ago
6x-2y=24<br> how do u solve for y
Tatiana [17]
It's <span>Diophantine equation. 
First, we need to found gcd(6,(-2)):</span>
6=2*3
(-2)=(-1)*2

So, gcd(6,-2)=2
Now, the question is. Can we dived c=24, by gcd(6,-2) and in the end get integer?
Yes we can.
\frac{24}{2} =12
So, we can solve it.

Now is the formula:
{\displaystyle {\begin{cases}x=x_{0}+n{\frac {b}{\gcd(a,\;b)}}\\y=y_{0}-n{\frac {a}{\gcd(a,\;b)}}\end{cases}}\quad n\in \mathbb {Z} .}

Second, we need the first pair (x0,y0) 
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x=0
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Third, we gonna use that formula:
{\displaystyle {\begin{cases}x=-n}\\y=-3(4+n)}\end{case}\quad n\in \mathbb {Z} .}
Congratulations! We solve it.


8 0
3 years ago
Read 2 more answers
5x7/10=. The product lies between. And.
Ronch [10]
5x7=35 35/10=3.5
so 3.5 is the answer

6 0
3 years ago
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