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Nuetrik [128]
3 years ago
11

8x - 2 + 4x + 10 + 3x + 5 = 180

Mathematics
1 answer:
erik [133]3 years ago
5 0

Answer: 11\frac{2}{15}

Step-by-step explanation:

What you are trying to do is isolate the variable x. For you to do that you have to first simplify the left side of the equation and then you solve for x.

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Find the point(s) of intersection between the quadratic function y = x + 4x + 4 and the linear function y = 2x+4.​
Andrews [41]

Answer:

(0, 4)

Step-by-step explanation:

To find the intersection of two lines, we want to find the value when they equal each other. To do this, we want to set the equations equal to each other.

First, let's simplify y = x + 4x + 4 by combining the x's.

y = 5x + 4

Now let's set the equations equal to each other. Since they both equal y, we can set the opposite sides equal to each other.

5x + 4 = 2x + 4

Now you want to combine the terms.

[subtract 4] 5x = 2x

[subtract 2x] 3x = 0

Now you want to isolate the x.

[divide by 3] x = 0

Now we want to find y by plugging x = 0 back into the equations.

y = 5(0) + 4

[multiply] y = 0 + 4

[add] y = 4

Check this with the other equation.

y = 2(0) + 4

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[add] y = 4

Your answer is correct!

(0, 4)

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