(100-x)×80=(95-x)×100
3个回答
8000-80x=9500-100x
-80x+100x=9500-8000
20x=1500
x=75
相关问题
5×2.5x-100=8×1.5x-60 13×80y-40y=5×2.5×80-100
100×(42-X/2)+80×(46-X/2)+110×X=8040
解带有分数的方程1200/x+1200/x×75/100×(x-1)=1200×80/100 谢谢急
100(95-x) - 80(100-x) = 100 (240-x)/x*100%=20% (100%-10%)*y=
120%×100+80%×100+200×199
100×99×98×97×96×95×.×1=
30X+100=(X—100)×40
(1-10%)X+(100-X)×(1+5%)=100×(1+2%)
0.95×100%等于多少
x×45+(100-x)×50=4725