The perimeter of a triangle is 42 yards. The first side is 5 yards less than the second side, and the third side is 2 yards less than the first side. What is the length of each side?

1 answer

2nd side = X yds.
1st. side = x-5 yds.
3rd. side = (x-5)-2 = x-7 yds.

X + (X-5) + (X-7) = 42.
3x - 12 = 42, X = 18 Yds.

X-5 = 18-5 = 13 Yds.

X- 7 = 18 - 7 = 11 Yds.
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