2 years ago

-6x+6y=6 -6x+3y=-12 Solving system of equations by elimination

1 answer:

6 0

By subtracting the two equations

3y = 18

y = 6

-6x + 3(6) = -12

-6x = -30

x = 5

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mr Goodwill [35]

Answer:

20/81

Step-by-step explanation:

Without parentheses, it is hard to tell what you are dividing. We assume you want ...

(4/9)/(9/5)

Then ...

$\displaystyle\frac{\left(\frac{4}{9}\right)}{\left(\frac{9}{5}\right)}=\frac{4}{9}\cdot\frac{5}{9}=\frac{4\cdot 5}{9\cdot 9}=\frac{20}{81}$

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Assoli18 [71]

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2 years ago