Which equation is an identity? O 3(x - 1) = x + 2(x + 1) + 1
O x-4(x + 1) = -3(x + 1) + 1
O 2x + 3 = 2 (4x + 2) + 2
O Į (6x – 3) = 3(x + 1) – X – 2

x-4(x+1)=-3(x+1)+1

or,x-4x-4=-3x -3+1

or,-3x-4=-3x-2

or,-6x=-6

x=1

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)