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7/3x+6/5x+7/3=-42/41x,这个方程怎么解,求过程

7/3x+6/5x+7/3=-42/41x,这个方程怎么解,求过程

7(X+6)-3x=4(2x+5)方程解怎么解?

解:

7(x+6)-3x=4(2x+5)

7x+42-3x=8x+20

7x-3x-8x=20-42

-4x=-22

4x=22

x=5.5

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5x-7=35x=多少方程解答

5x-7=35

5x=42

x=42/5

=(40+2)/5

=8.4

五十道解方程带过程带答案

解方程1:3/8x-25%x=42:x÷4=30%3:3x+20%x=1124:x-40%x=3.6解:﹙3/8-25%﹚x=4解:x=30%×4解:3·2x=112解:60%x=3·61/8x=4x=1.2x=35x=6x=325:14%x-9.1=0.76:75%x-25%x=167:x-20%x=44×50%8:x-10%=18解:14%x=9.8解:0.5x=160.解:0.8x=22解:0.9x=18x=70x=32x=27.5x=209:60%x+25=4010:2x+30%x=9.211:1÷x=85%12;40%x-5/12=3/4解:0.6x=15解:2.3x=9.2解:x=1÷0.85解:0.4x=3/4+5/12x=25x=4x=20/17x=7/6÷2/5x=35/1213:2﹙x+7﹚-3.6=20.814:x-5.5=3.5-x15:160×25%-1.3x=17.916:3/8÷x=4/15÷4/9解2﹙x+7﹚=24.4解:2x=3.5+5.5解:1.3x=40-17.9解:3/8÷x=3/5x+7=12.22x=91.3x=22.1x=3/8÷3/5x=5.2x=4.5x=17x=5/817:x÷2/7=7/3÷3/818:3/4x+1/2x=45×1/319:0.18×3-2x=0.520:0.6÷35%=1/5÷x解:x÷2/7=56/9解:1.25x=15解:2x=0.54-0.5解:1/5÷x=12/7x=56/9×2/7x=15÷1.25x=0.04÷2x=1/5÷12/7x=16/9x=12x=0.02x=7/60

7Ⅹ(7-3x)=28怎么解?

方程两边同除以7得:7一3X=4,移项:7一4=3X,即:3=3X,X=1,即原方程的解X=1,验证:把X=1代入原方程,得7x(7一3x1)=28,7X4=28