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HELP!!!! Need help with this!!

HELP!!!! Need help with this!!-example-1

1 Answer

7 votes

Answer:

11/14

Explanation:

Their sum is 180 degrees. You set up an equation and get:

10x + 30 + 18x + 128 = 180

Combine Like Terms

28x + 158 = 180

28x = 22

x = 11/14

User Chris Rockwell
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