If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
-53 = a+4*a-8 // - a+4*a-8
8-a-(4*a)-53 = 0
8-a-4*a-53 = 0
-5*a-45 = 0 // + 45
-5*a = 45 // : -5
a = 45/(-5)
a = -9
a = -9
| -52=-7x-3x+8 | | -5=x-2x+1 | | 3y-12+y=20 | | -5=w-6 | | -5=w+1 | | -5=t-3t-1 | | -5=n-6 | | -5=n-10 | | -5=k-6 | | -5=k+1 | | -5=d-5 | | -5=a+3 | | -5=a+2 | | -5=7b+5b-8 | | -5=5d+7d+7 | | -5=-6x+4x-9 | | (3b^9)^5(3b^9c^12)^(1/6) | | -5-x=5x-17 | | -5-b-5b=-59 | | -5-7x=-5x-17 | | -5-6x=3x+4 | | -5-6x-3x=-11 | | 11-10x=27-17x | | -5-6n=-71/7 | | -5-6/7w=-23/7 | | 8x^2-22x-15=0 | | 8(2x-4)=16 | | 4x+8=80-4 | | -5-5x=-65 | | -5-5x-3x=-43/7 | | -5-5m=55 | | -5-5b=-6/7b-204/35 |