Question

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

Answer 1

x = 6

Explanation:

Givens

There are 3 sides. All are equal to (4x - 3)

Their sum = 63

Formula

3(4x - 3) = 63

Solution

• 3(4x - 3) = 63 Divide by 3
• 12x - 9 = 63 Add 9 to both sides
• 12x = 63 + 9
• 12x = 72 Divide by 12
• x = 72/12

x = 6 Answer