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Anestetic [448]
3 years ago
13

What is x equal to ? Link down below.

Mathematics
2 answers:
USPshnik [31]3 years ago
7 0

Answer:

x = 50

Step-by-step explanation:

Those two angles are on the same straight line. That means

  1. They are supplementary.
  2. They add up to 180 degrees

Solution

2x + 5 + 75 = 180                Given

2x + 80 = 180                      Combine like terms on the left    

2x + 80 - 80 = 180 - 80      Subtract 80 from both sides  

2x = 100                               Divide by 2 on both sides

2x/2 = 100/2                        

x = 50                                   Answer  

scZoUnD [109]3 years ago
5 0

Answer:

50

Step-by-step explanation:

Because of supplementary angles that line has to equal to 180

180-75 = 105

so 105 = (2x + 5)

you can subtract 5 from each side and get

100 = (2x)

then divide each side by 2 and you get

x = 50

you can check it by doing (2 x 50 + 5)

2 x 50 = 100 + 5 = 105 + 75 = 180

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