Question

Suppose M is the midpoint of FG. Use the given information to find the missing measure or value.

F M=5 y+13, M G=5-3 y, F G= ?

Answer 1

8

Explanation:

Since m is the in middle, these two line segments equal each other

5y + 13 = 5 - 3y Add 3y to both sides

8y + 13 = 5 Subtract 13 from both sides

8y = -8 Divide both sides by 8

y = -1

Substitute -1 for y in either of the two expressions

5y + 13

5(-1) + 13

-5 + 13

8

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