(3-x)(19x-1)=(3-x)^2

Question

(3-x)(19x-1)=(3-x)^2

Answer 1

(3-x)(19x-1)=(3-x)²
(3-x)(19x-1)=(3-x)(3-x)
19x-1=3-x
19x+x=3+1
20x=4
x=4/20
x=0.2