If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X in (-oo:+oo)
X/0.28 = 1/0.7 // - 1/0.7
X/0.28-(1/0.7) = 0
X/0.28-1.42857143 = 0
3.57142857*X-1.42857143 = 0 // + 1.42857143
3.57142857*X = 1.42857143 // : 3.57142857
X = 1.42857143/3.57142857
X = 0.4
X = 0.4
| x=-5p+16 | | 2x+7u=-65-10x | | P=47+q | | 2x-13=4x+3 | | (2x+4y+z-7)+(8x-2y-z+8)+(-4x+y-3z-2)= | | 250/30=300/42 | | Y=5x^3-6x^2-5x | | 3/8=12/32 | | x*log(x)=400 | | 18=6x(x-13) | | 2x-7=-2x-1 | | xlog(x)=400 | | (4x+4)+(2x)=180 | | 190/200=290/300 | | -x+4y+8z=38 | | 6/12=3/6 | | -9-a/b=5 | | 10x-5y+2x-3y= | | 3b+2b-1=9 | | x+-5x+10=0 | | 12m-2=38+10m | | 0/20 | | (X-1)(x-3)=5 | | 12m-2=38+m | | 2x^2-4x+96=0 | | 3x-4y+48=0 | | 5x-6=61 | | 121x*2=16 | | x^2-6x-10=11 | | 1-x=-23 | | x-3.5=-2.5+(-5.5) | | X-2=2x-42 |