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The measures of the angles of a triangle are shown in the figure below.Solve for X.



The measures of the angles of a triangle are shown in the figure below.Solve for X-example-1

1 Answer

8 votes

Answer:

x=3

Explanation:

51 degrees + (7x+18) degrees = 90 degrees

7x+18=90-51

7x+18=39

7x+18-18=39-18

7x=21

7x/7=21/7

x=3

User Todd Grigsby
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