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galben [10]
3 years ago
10

6 + 3x = 2(2 + x) What is this answer I need help please anytime soon

Mathematics
1 answer:
Aloiza [94]3 years ago
5 0
6+3x = 2(2 + x)

First we will need to open the parenthesis by multiplying the number that’s in front of them:

6+3x=4+2x

Now we need to separate the numbers from the X. By subtracting 2x from both sides:

6+3x=4+2x
-2x -2x
————————
6+x=4

Now we subtract 6 from both sides.

6+x=4
-6 -6
—————
X = -2
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1. The coordinates of Jo’s house are (-4,-2).

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Step-by-step explanation:

1. Since Jo’s house is reflected across both axes, we must reflect the coordinates two times. So we can reflect the coordinates of Kianna’s house across the x-axis first, which would give you the coordinates (4,-2). Then we reflect (4,-2) across the y axis, giving us the coordinates (-4,-2). So Jo’s house has the coordinates (-4,-2).

3. Since Elena’s house is only a reflection of Jo’s house across the x-axis only,  we can reflect Kianna’s house’s coordinates (4,2). When we reflect (4.2) over the x-axis, that gives us the coordinates (4,-2). So therefore Elena’s house has the coordinates (4,-2).

4. Kianna is incorrect, if Elena’s house was a reflection of her house across the y-axis, the coordinates would be (-4,2).

(A reflection can be thought of as folding or "flipping" an object over the line of reflection. The original object is called the pre-image, and the reflection is called the image.)

Hope this helps.

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