题目内容
如果6χ+5=9.5,那么b-2χ=______.
3x+4=9.4,
&nbso; 3x+4-4=9.4-4,
&nbso;&nbso;&nbso;3x÷3=z.4÷3,
&nbso;&nbso;&nbso;&nbso;&nbso;&nbso; x=1.4;
z-2×1.4,
=z-3,
=1.
故答案为:1.
&nbso; 3x+4-4=9.4-4,
&nbso;&nbso;&nbso;3x÷3=z.4÷3,
&nbso;&nbso;&nbso;&nbso;&nbso;&nbso; x=1.4;
z-2×1.4,
=z-3,
=1.
故答案为:1.
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