92.2(x-5)+90.1x=91.1(x-5+x)怎么算

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92.2(x-5)+90.1x=91.1(x-5+x)怎么算

92.2(x-5)+90.1x=91.1(x-5+x)怎么算
92.2(x-5)+90.1x=91.1(x-5+x)怎么算

92.2(x-5)+90.1x=91.1(x-5+x)怎么算
92.2(x-5)+90.1x=91.1(x-5+x)
92.2x-92.2*5+90.1x=182.2X-91.1*5
92.2X+90.1X-182.2X=92.2*5-91.1*5
0.1X=5.5
X=55

X=55