Question

The first side of the triangle is 6 cm longer than the second side. The third side is 4 cm shorter than the first side. How long is each side if the perimeter of the triangle is 29 cm?

Answer 1

x=7

Explanation:

x+6+x+x+2=29

3x=21

x=7

Answer 2

x=7

Explanation:

x+6+x+x+2=29

3x=21

x=7