数学题:5X*100+10*(X+2)+X-100X-5X-10*(X+2)=396 要过程和答案
1个回答
500x+10x+20+x-100x-5x-10x-20=396
396x=396
x=1
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x *5%+(100-x)*30%-100*10%答案和过程
100+100*2%=x-10%x+(100-x)+(100-x)*5%
(100-2x-10x)/5=20-2x-2/5*x
(100+x)*1/3=2/5x 比如x+5=10 x=10-5 x=5
100x+10x2x+(x+5)-2x=243解方程详细过程跪求
【 100x+10(x-2)+(26-2x) 】-【 10x+x 】=【 100(26-2x)+10(x-2)+x 】
(1-10%)X+(100-X)×(1+5%)=100×(1+2%)
100(x+1)=2(y+5) 100(x+1)+y+10=209
100(x+4)+10x+(x+2)=21[10x+(x+2)]
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