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)
-4*x-(16/(-4)) = 0
4-4*x = 0
4-4*x = 0 // - 4
-4*x = -4 // : -4
x = -4/(-4)
x = 1
x = 1
| 6(8x+11)=-222 | | v=4x^3-88x^2+420x | | 8(5x-10)=200 | | 3cosx=5 | | 2linex-line(x+1)=0 | | 10(-5x+15)=200 | | 5sin(2x+10)-4=0 | | X=2y/(3y-1) | | 2lnx-ln(x+1)=0 | | 9(-7x-10)=414 | | x+y=326 | | 2x+x=2 | | 7-x+4-3-8x= | | 10%40000= | | 2(-4x-14)=37+14x | | -5(10x-8)=440 | | Log(4x-5)=2 | | 8x-2x+1=0 | | 8k-6-7k=-27 | | 12=n+5 | | 26n=48 | | 4XY+7X+6XY= | | 12/5280 | | 45/68 | | 8x+20=2x+2 | | 5x+8y=1972 | | 7(5-4x)=308 | | 21+15(x+y)-2-5x+18y= | | 11x+5-1=65x-36 | | 4-8x=7-6x-(2(4+8)+2x) | | -5-3(1-9s)=28 | | 7(5-4x)=95 |