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)
0.8*(x/0.9) = 1000 // - 1000
0.8*(x/0.9)-1000 = 0
0.888888888*x-1000 = 0 // + 1000
0.888888888*x = 1000 // : 0.888888888
x = 1000/0.888888888
x = 1125.00000113
x = 1125.00000113
| 0.8*(x/0.9) | | 0.8*x= | | 3n+zr=r-8f | | 2000=6(142)+8x | | 52+7x=x | | x^4+x^3-16x^2+20x=0 | | 0.16(5y-2)=0.4y+7 | | 15-10x=55 | | 4(3y+2)-5(6y-1)=2(y-8)-6(7y-4)+4y | | 3x/4-(x-1)/4=(x-2)/3 | | 7x+5-X+8=31 | | x-(x-1)/2=1-(x-2)/3 | | x-(x-1)/2=1-(x-2)-3 | | 10.1q+1.2=-16.8-1.1q | | 3x^2+6=-3x+1 | | 2(5.2y+y-1)= | | 5.2y(y-1)= | | x^2-2xy+4y^2=8 | | -15+2a+24a^2=0 | | -5(2t+2)=-30 | | 12y^2-58y-70=0 | | -8(s+1)=-44 | | 30=4x-10 | | 9/15=x/45 | | 4(2l+1)=44 | | -1x^2+4x-1=0 | | 5q*9x=45 | | (5+4i)(5-4i)= | | -49x^2+16=0 | | y=55x+2157 | | (u+2)*10=70 | | 5q*5q= |