0.6x+2.8x=12.8+1.8x
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0.6x+2.8x=12.8+1.8x0.6x+2.8x=12.8+1.8x0.6x+2.8x=12.8+1.8x0.6x+2.8x=12.8+1.8x3.4x=12.8+1.8x3.4x-1.8x=
0.6x+2.8x=12.8+1.8x
0.6x+2.8x=12.8+1.8x
0.6x+2.8x=12.8+1.8x
0.6x+2.8x=12.8+1.8x
3.4x=12.8+1.8x
3.4x-1.8x=12.8
1.6x=12.8
x=8
0.6x+2.8x=12.8+1.8x
(X+X)+(X-X)+(X*X)+(X/X)=100
x*x*x*x*x=80000?
5.4X+X=12.8求X
1.8x-x=12.8的方程
1.8x-x=2.4x=?
40%x+70%x-x=1.8
1.8x-0.6=7.5 【x是字母x】1.8x-0.6=7.5【x是字母x】
0.4x-0.6=0.2x-1.8
0.4x-0.6=0.2x-1.8
2x-0.6+4x=1.8
1.8-0.4x=0.2x-0.6
5x+x=12.8
X=12.8+0.5X
5.4x+x=12.8
5.4x+x=12.8
x^2+3x-1.8=x x=?
0.6x(200-X)-4X=106.2 X=?