16.2减2x等于8解方程是怎样算的16-2x=82x=16-82x=8x=4你若满意此回答,请给予采纳,谢谢!
移项,-2x=8-16.2 -2x=-8.2 x=4.1
16.2-2x=8x=(16.2-8)÷2x=4.1
16.2-2x=8解: 2x =16.2-8 2x =8.2 x =8.2÷2 x =4.1