1.2(x+3.2)=24
1个回答

1.2(x+3.2)=24

1.2x+3.84=24

等式两边同时减3.84,得:1.2x+3.84-3.84=24-3.84,1.2x=20.16

等式两边同时除以1.2,得:1.2x÷1.2=20.16÷1.2,x=16.8

望采纳,答题不易