4x-15=4.6 4x÷ 4-15 =4.6÷4 x-15=1.4x-15=4.6 4x÷ 4-15 =4.6÷4 x-15=1.15 x-15+15=1.15+15 x=16.15有什么错误吗?

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4x-15=4.6 4x÷ 4-15 =4.6÷4 x-15=1.4x-15=4.6    4x÷ 4-15 =4.6÷4            x-15=1.15      x-15+15=1.15+15                   x=16.15有什么错误吗?
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4x-15=4.6 4x÷ 4-15 =4.6÷4 x-15=1.4x-15=4.6 4x÷ 4-15 =4.6÷4 x-15=1.15 x-15+15=1.15+15 x=16.15有什么错误吗?
4x-15=4.6 4x÷ 4-15 =4.6÷4 x-15=1.
4x-15=4.6
    4x÷ 4-15 =4.6÷4
            x-15=1.15
      x-15+15=1.15+15
                   x=16.15
有什么错误吗?

4x-15=4.6 4x÷ 4-15 =4.6÷4 x-15=1.4x-15=4.6 4x÷ 4-15 =4.6÷4 x-15=1.15 x-15+15=1.15+15 x=16.15有什么错误吗?