Question

X+3 supra 4(x-1) - 1 supra x-1

Answer 1

aduci la acelasi numitor, adica amplifici a 2a fractie cu 4 si o sa ai asa:
x+3-4/4(x-1)=
x-1/4(x-1)=(acum simplifici x-1 cu x-1)
=1/4

Answer 2

$\frac{x+3}{4(x-1)}- \frac{1}{x-1} = \frac{x+3-4}{4(x-1)}= \frac{x-1}{4(x-1)}= \frac{1}{4}$