3 years ago

Answer these question for 70 points!

1 answer:

7 0

Answer:

1 42

Step-by-step explanation:

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Mashcka [7]

Multiplying eqn no. two with 4 we add it up with eqn 1.

$4x - 5y = 10 \\ - 4x - 12y = 32 \\$

$- 17y = 42 \\ y = \frac{ - 42}{17}$

When

$- x - 8 = 3y \\ x + 3y = - 8$

$x = - 8 - 3 \frac{ - 42}{17 } \\ x = - 8 + \frac{42}{17} \\ x = \frac{ - 10}{17}$

So, x = - 10/17 and y = - 42/17.

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Hunter-Best [27]

Answer:

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Step-by-step explanation:

2(3x-9) = 2(3x)-2(9) =6x-18.

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