解方程：4x+3×0.7=6.5 怎么求?
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解方程：4x+3×0.7=6.5怎么求?解方程：4x+3×0.7=6.5怎么求?解方程：4x+3×0.7=6.5怎么求?4x+2.1=6.54x=6.5-2.14x=4.4x=1.14x+3×0.7=
解方程：4x+3×0.7=6.5 怎么求?
解方程：4x+3×0.7=6.5 怎么求?
解方程：4x+3×0.7=6.5 怎么求?
4x+2.1=6.5
4x=6.5-2.1
4x=4.4
x=1.1
4x+3×0.7=6.5
4x+2.1=6.5
移项
4x=6.5-2.1
4x=4.4
x=4.4÷4
x=1.1