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Romashka-Z-Leto [24]

3 years ago

8

Brandon works in a shoe store. His daily earnings, y, are represented by the equation y=20x+75 based on selling x pairs of shoes

. What is represented by the slope in this equations?

1 answer:

otez555 [7]3 years ago

3 0

20 is the slope because x represents the slope and since 20 is in front of the x, 20 is the answer.

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nevsk [136]

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3 years ago

Y = 2x <br> x + y = −6<br> the answer should be like this (x,y) or ( , )

melisa1 [442]

Answer:

(-2, -4)

Step-by-step explanation:

Given:

The system of equations to solve is given as:

$y=2x\\\\x+y=-6$

In order to solve this system of linear equations, we use substitution method.

In substitution method, we substitute the value of any one variable in the other equation.

So, we substitute the value of 'y' from first equation in the second equation.

This gives,

$x+2x=-6\\\\3x=-6$

Dividing both sides by 3, we get:

$\frac{3x}{3}=\frac{-6}{3}\\\\x=-2$

Now, $y=2x=2\times -2=-4$

Therefore, the solution is (-2, -4)

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3 years ago