SOLUTION: Please help i don't understand this at all! Q: Elin wants to fence two different garden plots in her back yard with two rolls of fencing that are the same length. Write and solve

Question 1051607: Please help i don't understand this at all!
Q: Elin wants to fence two different garden plots in her back yard with two rolls of fencing that are the same length. Write and solve an equation to find the value of X so that the figures below have the same perimeter.
Right-angled triangle: 2x-7, 2x-5,x-1
Rectangle:3x-11, x-3
please help thanks
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
triangle
P = 5x - 13
Rectangle: P = 2(3x-11) + 2(x-3)
P = 8x - 28
5x - 13 = 8x - 28
15 = 3x
5 = x
checking
25 - 13 = 40-28 = 12 CHECKS
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