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kicyunya [14]
3 years ago
12

Solve for x in the diagram below.

Mathematics
2 answers:
larisa [96]3 years ago
8 0

Answer:

x = 20

Step-by-step explanation:

The three angles form a straight line so they add to 180 degrees

x+ 100 +3x = 180

Combine like terms

100+4x= 180

Subtract 100 from each side

100+4x-100= 180-100

4x= 80

Divide each side by 4

4x/4 = 80/4

x = 20

4vir4ik [10]3 years ago
8 0

Answer:

x = 20 \:  \: degrees

Step-by-step explanation:

Angles in a straight line = 180 degrees

x + 3x + 100 = 180 \\ 4x + 100 = 180 \\ 4x = 180 - 100 \\ 4x = 80 \\  \frac{4x}{4}  =  \frac{80}{4}  \\ x = 20 \:  \: degrees

hope this helps

brainliest appreciated

good luck! have a nice day!

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