2.1(x一0.7)=6.2)
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2.1(x一0.7)=6.2解:2.1X-0.7x2.1=6.22.1X=6.2+1.472.1X=7.67X=7.67➗2.1X=3.65
咨询记录 · 回答于2022-11-27
2.1(x一0.7)=6.2)
2.1(x一0.7)=6.2解:2.1X-0.7x2.1=6.22.1X=6.2+1.472.1X=7.67X=7.67➗2.1X=3.65
一元一次方程(linear equation with one unknown)指只含有一个未知数、未知数的最高次数为1且两边都为整式的等式。