If it's not what You are looking for type in the equation solver your own equation and let us solve it.
90+4x=0
We move all terms containing x to the left, all other terms to the right
4x=-90
x=-90/4
x=-22+1/2
| 37=2x+10 | | 3/4x+3-2x=-1/2+1/2x+5 | | 4x+16=2/3x+2 | | -13-15+5t=5t+14 | | 2(5y+8)=14 | | 20+19n=18n+9-9 | | -3(3x-9)=27+10x-x | | x+30=190 | | -3(3x–9)=27+10x-x | | 20+19n=18n+9−9 | | -2/5t=6 | | 3(-4y+5)=75 | | 20-g=-g+2 | | 2x+3=5x+5-3x-2 | | z=7.38 | | 3x+2+40=180 | | 6x-2=6x+30 | | x+16=-2x-1 | | 3x+12×2=42 | | 81/36=48/x | | -18+18d=d+19d+20 | | x-17=7(x-5) | | -7(-6-x)=105 | | 190=30-x | | 7-20z=14-20z | | 6(k-3)-8=4k-(3k-1) | | 2k+10=-5k+10+7k | | Xx-6=0 | | 10+g=g+10 | | 3x+11=-43 | | c/2.1+34=56 | | -7-3h=-3h-7 |