2 years ago

Fundamental Counting Principle (L1)

Mathematics

1 answer:

Gala2k [10]2 years ago

5 0

9 and 14 are the answers

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Answer:

Please check the explanation.

Step-by-step explanation:

Given the equations

$y=-6x-10$

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solving the system of the equations

Arrange the equation variables for elimination

$\begin{bmatrix}y+6x=-10\\ y+3x=-21\end{bmatrix}$

$y+3x=-21$

$-$

$\underline{y+6x=-10}$

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$\begin{bmatrix}y+6x=-10\\ -3x=-11\end{bmatrix}$

solve

$-3x=-11$

Divide both sides by -3

$\frac{-3x}{-3}=\frac{-11}{-3}$

$x=\frac{11}{3}$

$\mathrm{For\:}y+6x=-10\mathrm{\:plug\:in\:}x=\frac{11}{3}$

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$y=-32$

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$y=-32,\:x=\frac{11}{3}$

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