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# What is the Value of x+y?

What is the value of x+y? Explain

Please help!!!!!!!

### 5 Answers

- RobertLv 74 weeks agoFavorite Answer
95º and (3x + 55)º are supplementary;

also, 85º and (2y - 5)º are supplementary

So 95 + 3x + 55 = 180; solving, x = 10

85 + 2y - 5 = 180; solving, y = 50

Thus x + y = 60º

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- 4 weeks ago
3x + 55 = 85

3x = 85 - 55

3x = 30

x = 10

On the other hand,

2y - 5 = 95

2y = 95 + 5

2y = 100

y = 50

So,

x + y = 10 + 50 = 60

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- mizooLv 74 weeks ago
85 + (2y - 5) = 180º

95 + (3x + 55) = 180º

85 + (2y - 5) = 180º

2y = 100

y = 50º

95 + (3x + 55) = 180º

3x = 30

x = 10º

y + x = 50 + 10 = 60º

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- LônLv 74 weeks ago
If y = 2 and y = 3 then x + y = 3 + 2 = 5.

- LônLv 74 weeks agoReport
Ah, I answered this before realising there was a diagram to go with it.

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- PuzzlingLv 74 weeks ago
When two lines cross they form four angles. The angles opposite each other are called "vertical" angles and they have the same measure.

From the top and bottom angles being congruent, we know:

3x + 55 = 85

Solve for x:

3x = 30

x = 30/3

x = 10

For the left and right angles being congruent, we know:

2y - 5 = 95

2y = 100

y = 100/2

y = 50

I'll leave the last step to you. :)

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