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Can someone help me on number 7?
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1 vote
Can someone help me on number 7?

Can someone help me on number 7?-example-1
User David Vrba
by
4.9k points

1 Answer

6 votes

Answer:

x = 50

Explanation:

The sum of the angles of a quadrilateral are 360

M + N + J + K = 260

x + x+15 + 2x+15 + 3x-20 = 360

Combine like terms

7x + 10 = 360

Subtract 10 from each side

7x+10-10 = 360-10

7x= 350

Divide each side by 7

7x/7 = 350/7

x = 50

User Meinhard
by
5.0k points
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