Question

Give two reasons why this shape is a square when x = 5.
(3x - 2)
(x + 8) cm​

Answer 1

Explanation:

If we put 5 in X we get:

1. 3x-2 = 3(5)-2 = 15-2 = 13

2. x+8 = 5+8 = 13

So: 3x-2=x+8.