“having received intelligence that ammunition, artillery, and small arms have been collected for the avowed purpose of raising rebellion against his majesty, you will march to concord where you will seize and destroy all military stores whatever.”

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69

dont kniw hope this hepl you

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