Find one length of the square (7x-3) 3(x+1) calculator

Answer:
side = 7.5 cm
Step-by-step explanation:
7x-3 = 3(x+1)
7x-3 = 3x+3
reduce:
4x = 6
x = 1.5
side = 3(1.5)+3 = 7.5 cm