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BartSMP [9]
3 years ago
13

a triangle has one side that measures 12, another side that measures X, and a 3 side that measures 4 less than x. the perimeter

is 26. which equation would we use to find the value of x​
Mathematics
1 answer:
kondaur [170]3 years ago
4 0
P = 12 + X + (X - 4)

26 = 2X + 8
-8 = -8
18 = 2X
X = 9
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