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rodikova [14]
2 years ago
5

2(x)+2(2)=2(x/2)-2(x) Solve this please and show the steps!!!!!!

Mathematics
2 answers:
FinnZ [79.3K]2 years ago
7 0

Answer:-4/3

Step-by-step explanation:

2(x)+2(2)=2(x/2)-2(x)

Remove brackets by multiplying through

2x + 4=x - 2x

Collect like terms

2x+2x-x=-4

3x=-4

Divide both sides by 3

3x/3=-4/3

x=-4/3

Olin [163]2 years ago
5 0

Answer: x=-\frac{4}{3}

Step-by-step explanation:

2(x)+2(2)=2(\frac{x}{2})-2(x)

Remove all those parentheses by multiplying. Note: 2 and 2 cancel out.

2x+4=x-2x

Subtract 2x

4=x-2x-2x

Combine like terms;

4=-3x

Divide by -3

\frac{4}{-3}=x

Rewriting it;

x=-\frac{4}{3}

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Step-by-step explanation:

See image. "An angle in standard position" means the vertex (point part) of the angle is at the origin (0,0). And one side of the angle is glued onto the x-axis. The other side of the angle is free to rotate around the axis. That's the terminal side. Then there's a point P (x,y) on that side. See image. And r is labelled there. This set up makes a right triangle. So I put Pythagorean theorem as the answer here, but honestly if you are learning any right triangle theorems or trigonometry, you could use this set up. The leg that lays along the x-axis is x units long and the other leg is y units long. The hypotenuse is r units long.

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3 years ago
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3 years ago
Which is the first step in simplifying the expression?
Elenna [48]
\dfrac{3}{2 +  \sqrt{2} }

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Answer: Option A

---------------------------------------------------------------------------------------------------

Let me continue to complete the question, though it is not ask for

= \dfrac{3(2 - \sqrt{2})}{(2 + \sqrt{2)}(2 - \sqrt{2}) }

= \dfrac{3(2 - \sqrt{2})}{4 - 2 }

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3 years ago
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That means you can simply, finish the pattern, alternating between adding 2 and 14. Then you will get these answers.

5 0
2 years ago
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