Question

(3х-2) : 1,8 = 0,5 : 9​

Answer 1

(3х-2) : 1,8=0,5 : 9

х=0,7

Answer 2

$(3x - 2) \div 1.8 = 0.5 \div 9\\ 9(3x - 2) = 0.9 \\ 3x - 2 = 0.1 \\ 3x = 0.1 + 2 \\ 3x = 2.1 \\ x = 2.1 \div 3 \\ x = 0.7$