Question

4. The side lengths of a triangle are x, x – 9, and 2x + 3. If the perimeter of the triangle is 46 cm, what is the value of x?

HELPPP

Answer 1

x=13

Explanation:

perimeter equals the sum of sides of triangle

perimeter= x+x-9+2x+3

46=4x-6

46+6=4x

4x=52

x=52/4

x=13