Need help with algebra

Algebra
Tutor: None Selected Time limit: 1 Day

Two sides of a triangle measure 2x – 4 and 7x – 2 units, respectively. Which of these is a possible length for the third side of the triangle?

A)

B)

C)

D)

May 11th, 2015

The shortest side will be (7x-2) - (2x-4) = 5x+2

The longest side will be (7x-2) + (2x-4) = 9x-6

The third side of the triangle has to be in between these two expressions not including them


So the only possible option is B) 6x units


Let me know if you have any questions


May 11th, 2015

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