5 8x 63-3 4x=58
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![5 8x 63-3 4x=58](/uploads/image/f/336718-46-8.jpg?t=5+8x+63-3+4x%3D58)
14x63%+5.2=14x0.63+5.2=14*0.3*2.1+5.2=5.2*2.1+5.2=5.2*(2.1+1)=5.2*(3+0.1)=5.2*3+5.2*0.1=15.6+0.52=16
32+x=58x=58-32x=26x-4.2=0.79x=0.79+4.2x=4.994x=44x=44÷4x=11x÷18=29x=29×18x=5226x=30x=30÷6x=515÷x=0.5
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(2n+1)^2-1=2n*(2n+2)
x-60%x=2400.4x=240x=600x+20%x=241.2x=24x=201-25%x=十六分之三1-3/16=x/413/16=x/4x=13/4160%x-x=90.6x=9x=155
x-34=58解x-34+34=58+34x=92
23/4x40%+0.4x4.25=5.75x0.4+0.4x4.25=0.4x(5.75+4.25)=0.4x10=42*(x-0.7)=4.8x-0.7=2.4x=3.11/8*(x+0.5)=7
移项x+x=85-582x=272x÷2=27÷2x=13.5
5/8x+(84-x)*3/4=585/8x+84*3/4-3/4x=58(5/8-3/4)x=58-63(5/8-6/8)x=-5-1/8x=-5x=5*8x=40
那是X的平方吗
2x+4(13-x)=322x+52-4x=3252-2x=322x=52-322x=20x=102x+4(18-x)=582x+72-4x=5872-2x=582x=72-582x=14x=77x+
=124x10x3.8+124x63-124x1=124x(38+63-1)=124x100=12400
x-1/3x=582/3x=581/3x=29x=29*3x=87
40X+X-1-(11X+1)=5841X-1-11X-1=5830X=60X=2
7分之3X5.4-7分之3X0.4+7分之3X2=3/7*(5.4-0.4+2)=3/7*7=363X62分之51=(62+1)*51/62=62*51/62+51/62=51+51/62=51又51
10x+54-6x=584x=58-54x=1
答案见图片
x+28=58-xx+x=58-282x=30x=30/2x=15