225,296 views
26 votes
26 votes
The perimeter of an equilateral triangle is 63 inches. If the length of each side is (4x-3) find the value of x

User Noveaustack
by
3.0k points

1 Answer

14 votes
14 votes

Answer:

X=6

Explanation:

We know that the perimeter is the sum of all its sides.


P=63\\P=(4x-3)+(4x-3)+(4x-3)\\P=P\\(4x-3)+(4x-3)+(4x-3)=63\\12x-9=63\\12x=72\\x=(72)/(12) \\x=6

User Flowstoneknight
by
3.3k points