If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
n/(-1.8) = 2.1 // - 2.1
n/(-1.8)-2.1 = 0
-0.55555556*n-2.1 = 0 // + 2.1
-0.55555556*n = 2.1 // : -0.55555556
n = 2.1/(-0.55555556)
n = -3.77999997
n = -3.77999997
| 7x+8=9-(4x-9) | | -16x^2+1000x+3=9 | | 4x+y=225 | | -3=4w | | 3y-6=21x | | 7j+14=16 | | z=20*x | | X^1/2-8=0 | | 2x-2+6x-10=180 | | 4x+6=7x+12 | | 2-8(3-6x)=0 | | 4(x-3)=3-(x+5) | | x+3/5-7=2 | | 1.5cosx(0.5-cosx)=0 | | 7-5(2x+9)=4 | | 2x-7+x+1=180 | | 10=y*20 | | 4b^2-6+10b=0 | | 7+(2x*4)=(x*-18)+2 | | 2t^2+5t+2=2 | | 4x-8=2x-3+3x-5 | | 8([15-y]/7)=-11-5y | | x(2x-4)= | | (x+5)(4x-1)+2(2-8x)(x-5)=0 | | 3x+7x+21=-29 | | (x-5)(4x-1)+2(2-8x)(x-5)=0 | | 4x-8+x=2x-3 | | x(2y-1)= | | 5x+7=3x+5+2x | | 14.7-40*.11= | | 9x-24+24=0 | | 9x-1/2=9 |