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Solve for x.
A) 10
B) 12
C) 11
D) 13​

Solve for x. A) 10 B) 12 C) 11 D) 13​-example-1

1 Answer

3 votes

9514 1404 393

Answer:

B) 12

Explanation:

The base is twice the length of the midline.

QS = 2·YZ

3x -8 = 2(x +2) . . . . . . . substitute given values

3x -8 = 2x +4 . . . . . . eliminate parentheses

x = 12 . . . . . . . . . . . add 8-2x

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