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F is the midpoint of EG. If EF = x + 3 and EG = 3x + 1, what is EF?

E
x + 3
F
3x + 1
G
Simplify your answer and write it as a proper fraction, mixed number, or integer.

1 Answer

1 vote

Answer:

EF = 8

Explanation:

F is the midpoint of EG. So, the distance of EF and GF will be same and if we add EF and GF, it will give the total distance of EG.

GF = EF

GF = x + 3

EG = GF + EF

Substitute the value of EG, GF and Ef in the above equation.

3x + 1 = x + 3 + x + 3

Combine the like terms in the RHS,

3x + 1 = 2x + 6

Subtract 1 from both sides,

3x = 2x + 6 - 1

3x = 2x + 5

Subtract 2x from both sides,

3x - 2x = 5


\boxed{\bf x = 5}

Now, we can find EF.

EF = x + 3

= 5 + 3

= 8

Answer: EF = 8

User Mrugesh Mistry
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