2,7X=2,727 17,5X=0,63 0,09X=94,5 1,2X=4,02
1. 2.7х=2.727 х=2.727÷2.7 х=1.01 2. 17.5х=0.63 х=0.63÷17.5 х=0.036 3. 0.09х=94.5 х=94.5÷0.09 х=1050 4. 1.2х=4.02 ×=4.02÷1.2 х=3.35