Answer:
w = 5
Explanation:
The sum of the angles of a triangle adds to 180 degrees.
15w + 15w+ 30 = 180
Combine like terms.
30w + 30 =180
Subtract 30 from each side.
30w +30-30 = 180-30
30w = 150
Divide each side by 30.
30w/30 = 150/30
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