0.5x+(5x+20)*0.5=298 x
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0.5x+(5x+20)*0.5=298 x
0.5x+(5x+20)*0.5=298 x
0.5x+(5x+20)*0.5=298 x
0.5x+(5x+20)*0.5=298 x ==> x + (5x + 20) = 298 * 2 ==> 6x + 20 = 298 *2 ==> 6x + 20 = 596 ==> 6x = 576 ==> x = 96
0.5x+(5x+20)*0.5=298 x
x-0.3x-0.5x=20
x-0.5x=20,
x-2=(104-x)+2 6x-59=10x-75 (x+10)+(x-15)=280-x4(x-62)=x-38 60x-40=(60+20)*(x-5) 32x+32*0.5-25x+64x=24x+496-49x x+15=3*(109-x ) 5(3x-1.4)=2(6x-0.5) 3(x+0.9)=5(x-1.7) 13x-4(2x+5)=17(x-2)-4(2x-1) (13x+8)/3=5x-1x-60=2[(3561-x)+100]+1 (x+9)+12=2[(x-9)-1
(X+4)/0.2-(X-3)/0.5=0.2 x-(x-1)/6=3-(x+2)/3 x/12-(2x-1)/20={(3x+4)/8}-1 2%x-5+5%x=20%0.13(x-1)=0.07(x+1) x/2-x/6+x/8-x/10=1-1/3+1/4-1/5
(x+2)(x-1)+(x+3)(x+1)=x·x-1 求x (5x-4)(2x+5)(3x-6)(2x-4)=(2x-4)(2x+5)·0.5 求x
60x-40=(60+20)*(x-5) 32x-32*0.5-25x+64x=24x+496-49x
5*(x-2)=4*(x+3) 2x+(50-x)*4=140 3x-(8-x)=20*4 200x=(x-0.5)*240 12x+34=14*(x-4)
12x-2/21x=快点9点之前还有7x-x+2/3x-3(4x-0.5)-2x+(3x-1)-(x+5)
x-0.5x=20+0.3x解方程
x-0.3x-0.5x=20的解方程
:(0.5x+20)+x+(3x-80)=507
0.3X+0.3X-20=0.5X
0.5x=4/5(6+x)x=?
2(x+3)-5(1-x)=3(3-1) 4-3(2-x)=5x 4x-3(20-x)=6x-7(9-x) 4-3(2-x)=5x 4x-3(20-x)=6x-7(9-x)1/3 - x-1/2 = 1x+8/3=-x1-m/2 - 3-3m/4=1x-2/0.2 - x+1/0.5=32(x+3) - 5(1-x) = 3(x-1)4-3(2-x)=5x4x-3(20-x)=6x-7(9-x)
0.5X+120+0.3X=X
4X+0.5X=13.5X
x-30-0.2x=0.5x