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Nataly_w [17]
3 years ago
8

HELP Find the value of x

Mathematics
1 answer:
mezya [45]3 years ago
3 0

Answer:

x=30

Step-by-step explanation:

2x+x+90=180 (anglesome prop.)

3x+90=180

3x=180-90=90

3x=90

x=90/3=30

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