what is X ,when x-3.9/2.2=1.2-x

I guess this is supposed to be

(x-3.9)/2.2=1.2-x      multiply both sides by 2.2

x - 3.9 = 2.2(1.2 - x)

x - 3.9 = 2.64 - 2.2x         add 2.2x, 3.9 to both sides

x + 2.2x = 2.64 + 3.9

3.2x = 6.54    divide both sides by 3.2

x = 2.04375