2 years ago

The perimeter of an equilateral triangle is 63 inches. If the length of each side is (4x-3), find the value of x.

1 answer:

4 0

Equilateral triangle have the same side lengths. Perimeter = sum of all sides
(4x - 3) + (4x - 3) + (4x - 3) = 63
Remove parentheses
4x - 3 + 4x - 3 + 4x - 3 = 63
Combine like terms
12x - 9 = 63
12x = 72, x = 6

Solution: x = 6

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