4.5x+1.2÷3=10.5
4.5x+0.4=10.5
4.5x=10.5-0.4
4.5x=10.1
x=10.1÷4.5
x=2又11/45可不可以再帮我一道？x加0.35等于6.75-1.5xx+0.35=6.75-1.5xx+1.5x=6.75-0.352.5x=6.4x=2.56