x+(x+24)+(x+4)/2=7x快点了!急需急需!

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x+(x+24)+(x+4)/2=7x快点了!急需急需!x+(x+24)+(x+4)/2=7x快点了!急需急需!x+(x+24)+(x+4)/2=7x快点了!急需急需!两边乘22x+2x+48+x+4

x+(x+24)+(x+4)/2=7x快点了!急需急需!
x+(x+24)+(x+4)/2=7x
快点了!急需急需!

x+(x+24)+(x+4)/2=7x快点了!急需急需!
两边乘2
2x+2x+48+x+4=14x
14x-2x-2x-x=48+4
9x=52
x=52/9

x+(x+24)+(x+4)/2=7x
2x+2x+48+x+4=14x
9x=52
x=52/9

x+x+24+1/2 x+2=7x
9/2 x=26
x=52/9

52/9

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