Asked by Don't know how to solve

If the length of one side of a triangle
Is 2x - 1 units and the perimeter is 18
What is x?
Answered by san
what kind of triangle is it. and on what side?
Answered by Don't know how to solve
It is just a regular triangle and the equation was not. Placed anywhere around the triangle
Answered by san
im assuming youre talking about an equilateral triangle.

the perimeter is A+b+C=18

and one side is 2x-1 so

so 2x-1+2x-1+2x-1=18

combine like terms

6x-3=18

so 21/6=x

x=3.5

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