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/(-5) = -90 // + 90
X/(-5)+90 = 0
90-1/5*X = 0 // - 90
-1/5*X = -90 // : -1/5
X = -90/(-1/5)
X = 450
X = 450
| (a/-4)=-16.9 | | 2a*4b=equation | | y=1.3x+0.15 | | 2e^6x=5e^2x-12 | | a/-4=-16.9 | | 8x-10x-3+11x+22x+6=600-3+x | | 4m=-100 | | 7(4-x)=-7 | | 8w+6=36-4w | | -5+8g=8g-5 | | 6.13x=8.72+x | | 14x-6=2(7x-6) | | 2x+39i=3yi | | 8+9u=3+9u | | 4/3y=-12 | | 5(x+8)=9+5x | | -4.7c=-28.2 | | (y+1)2x+3y=64 | | -5+3k=3k-5 | | Y=-0.04x^2+3x | | -6(4p+3)+3p=38-7p | | -7-z=5+5z | | X+6x=9x-x | | 4/5-y=2 | | 6x^5(x^4)=0 | | 7-u=-7+u | | c^2-8p+16=0 | | -2-2p=-2p | | -6x-28=8x | | 6x+3(1-4x)=-7x+9 | | -6k=9-6k | | X+68+58=180 |