please help me with this queston and I will follow you.

Please Help Me With This Queston And I Will Follow You class=

Answer :

Step-by-step explanation:

A square has all 4 equal sides.

Therefore (6x - 1) = (4x + 6), 2x = 7, x = 3.5.

Hence the length of the square side

is 6(3.5) - 1 = 20cm.