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2 years ago

Help please I don’t understand any of this

Mathematics

2 answers:

sveta [45]2 years ago

6 0

The two angles form a straight line which is equal to 180 degrees. This makes the angles supplemtary.

To find x, add the two angles together to equal 180:

7x + x+20 = 180

Combine like terms:

8x + 20 = 180

Subtract 20 from both sides:

8x = 160

Divide both sides by 8:

X = 20

myrzilka [38]2 years ago

4 0

Answer:

x=20

Step-by-step explanation:

2(7x)+2(x+20)=360

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3 years ago

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3 years ago

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