if the perimeter of triangle is 3x-y+6 and the 2 sides are 4x-9,12y-x+8, then find the 3rd side.
plsss answer fast..
Answers
Answered by
2
Answer: 11y+5
Step-by-step explanation:
(4x-9) + (12y-x+8)
= 3x+12y-1
=3x-y+6 - 3x+12y-1
= 11y+5
The answer is probably not right
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