Question

The perimeter of a triangle is 4x-8, one of the sides is 2x-4 and another is 3x+8. Find the third side​

Answer 1

Answer:

- x - 12

Step-by-step explanation:

If a, b, and c the lengths of sides of a triangle, then P = a + b+ c .

a = P - (a + b) = P - a - b

~~~~~~~~~~

a = (4x - 8) - [(2x - 4) + (3x + 8)] =

4x - 8 - (2x - 4 + 3x + 8) =

4x - 8 - 2x + 4 - 3x - 8 =

(we have two groups of like terms, let's combine them)

(4x - 2x - 3x) + ( - 8 + 4 - 8) = ( - x ) + ( - 12) = - x - 12

Check the answer:

(3x + 8) + (2x - 4) + (- x - 12) = 4x - 8

(3x + 8) + (2x - 4) + (- x - 12) = 4x - 8

3x + 8 + 2x - 4 - x - 12 = 4x - 8

4x - 8 = 4x - 8

L.H. = R.H.

Answer 2

ANSWER =-6(CM/M/KM/MM)

Step-by-step explanation:

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