14:35=57:x
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14x-42-15x+12=12x+35移项12x+15x-14x=12-42-3513x=-65x=-65÷13x=-5
(x-35)/9=(x+20)/14(x-35)/9=(x+20)/149(x+20)=14(x-35)9x+180=14x-49014x-9x=180+4905x=670x=134
25+16x-14x=3525+16x-14x=352x=35-252x=10x=5x=525+16x-14x=352x=35-252x=10x=10÷2x=5不懂可追问!
21x-35=14x21x-14x=357x=35x=521X-14x=35然后7x=35..35除以7x=521x-35-14x=07x-35=07x=35x=5移项:7x=35x=5X=5这是什么问题啊这样简单21x-14x=357x=
11x+0.5=15x-0.75x+12=8x+35x+14=7x-411x+0.5=15x-0.74x=1.2x=0.35x+12=8x+33x=9x=35x+14=7x-42x=18x=91.11x-15x=-0.7-0.5-4x=-1
20x=14x+35怎么算打错了,是20x=14x+3620x=14x+3520x-14x=356x=35x=5.83如果您认可我的答案,请点击下面的“选为满意回答”按钮,20x=14x+3620x-14x=366x=36x=620x-14
1、7.5x-x=7-0.112、21x-35=14x1、7.5x-x=7-0.116.5x=6.89x=6.89÷6.5x=1.062、21x-35=14x21x-14x=357x=35x=51、简化:6.5x=6.89x=1.062、左
解比例:25:7=X:35514:35=57:X23:X=12:1425:7=X:357X=35×257X=875X=875÷7X=125514:35=57:X514X=35*57514X=199523:X=12:1412X=23×1412
(14x+7)(25x-36)+7(1+2x)(35-25x)=-5(14x+7)(25x-36)+7(1+2x)(35-25x)=-5350x^2+329x-252-350x^2+315x+245=-5329x+315x=252-245-
2x-14/28+x/35-(x28+2x-14/35)=12/602x-14/28+x/35-(x/28+2x-14/35)=12/602x-14/28+x/35-(x/28+2x-14/35)=12/60(2x-14)/28+x/35-
1、514:35=57:x2、23:x=12:143、x:15=13:564、34:x=54:25、x:0.75:81:251.514:35=57:X514X=57×35X=1995/5142.23:X=12:1412X=14×23X=32
(x-10)/(x-11)+(x-16)/(x-17)=(x-12)/(x-13)+(x-14)/(x-15)快,急用两边减去2(x-10)/(x-11)-1+(x-16)/(x-17)-1=(x-12)/(x-13)-1+(x-14)/(
x+35=(x+3x)*30%x+35=(x+3x)*30%x+35=4x*30%x+35=1.2x35=0.2xx=175x+35=(x+3x)*30%100x+3500=120x20x=3500x=175x+35=1.2x0.2x=35
(x^3)^()*x^2=x^14括号填写=(14-2)÷3=12÷3=4 (x^3)^(4)*x^2=x^14(x^3)^()=x^12(x^3)^()=(x^3)^4
14x=12+x求X14x=12+x14x-x=1213x=12x=12/1314x-x=12+x-x13x=12x=12/1314x=12+x14x-x=1213x=12x=12/13(13分之12)14X=12+X就等于14X-X=12
X-35%X=7.8X+160%X=39X-35%X=7.80.65X=7.8X=12X+160%X=392.6X=39X=15X-35%X=7.865%x=7.8x=7.8×100÷65x=7800÷65x=120X+160%X=3926
如果X+X+8=35-X,那么X=()x+x+8=35-x(1+1+1)x=35-8x=27÷3=9X+X+8=35-XX+X+X+X=35-83X=27X=9不懂可追问,有帮助请采纳,谢谢!
x-35%x=0.25x-35%x=0.250.65x=0.25x=0.25÷0.65X=5/13x(1-o.35)=0.25x=0.25/0.35x=5/7x-0.35x=0.65x=0.25,解得x=5/1335%化为小数0.35x-0
x-35%x=39X-35%X=3965%X=39X=60还有,这是军事问题么?
x-82.5x=35x=35/(1-82.5)