11,88: (2,9 + х) = 2,7
2,9 + х = 11,88 / 2.7
2.9 + x =4.4
x = 4.4 - 2.9
x = 1.5
11.88:(2,9+х)=2.7 2.9+х=11.88/2.7 2.9+х=4.4 Х=1.5