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)
-(3*x)-8 = 28 // - 28
-(3*x)-28-8 = 0
-3*x-28-8 = 0
-3*x-36 = 0 // + 36
-3*x = 36 // : -3
x = 36/(-3)
x = -12
x = -12
| -8+6d=40 | | 3(2)+29x-10=0 | | 6n^2-7n-10= | | -7d+8=-76 | | 7n+5=-23 | | 5k-8=32 | | 7x(x-5)=5(4-3) | | 6+7w=-15 | | -6-6b=-66 | | 3t-6=-6 | | 8y+8=15y+8 | | -1-5w=-1 | | 6t-3=-69 | | 5b-5=0 | | 7k+3=31 | | 2t+9=13 | | 2-5d=-18 | | 9+5b=64 | | 4x^2+24=104-x^2 | | 4x(2)+27x-7=0 | | 6(x+4)+3x=4(x-2) | | -10+4b=-50 | | 5-7n=-44 | | 10+4b=54 | | 2a+3=-13 | | -7b+8=-62 | | 2k-10=-28 | | 13.7t-4.7=9.9+81t | | -5a+6=-14 | | -3m+9=36 | | 4k+3=47 | | -5x/6/2 |