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)
(a+2*b)/4+4*a = 0
(a+2*b)/4+(4*4*a)/4 = 0
a+4*4*a+2*b = 0
17*a+2*b = 0
(17*a+2*b)/4 = 0
(17*a+2*b)/4 = 0 // * 4
17*a+2*b = 0
x belongs to the empty set
| 0.4/0.68 | | 6h-3h=-6h+14 | | (3x-7)(4-x)=0 | | 14=-7/8y | | -6=x-2x | | y/9+3=-8 | | 2(x-4)=-4(x+8) | | (3x-7)(4-x)= | | x/10-4-3 | | 6.3+3.4=9.7 | | x+3x+5=x^2+8x+15 | | 2x-8+x+66=180 | | 6*x*y*(x^4-10*x^2+15)+280=0 | | 6x-4+3x=32 | | 4(3t-4)-20=3+5t | | 4(3r-4)-20=3+5t | | -3(2x-1)=13x-(4x+3) | | (n+3)*3=23 | | 3s^2-30s+63= | | 4y-70=12y+20 | | -10(-2+a)=50 | | x^6-6x^4-6x^3+60x^2-36x+1=0 | | 4(a-1)=6a(3a+2) | | r+33=-8+2(1+7r) | | s^2-14s+48= | | 4y-6-3-3y=0 | | n/10+4=5 | | (2+5x)+(4-2x)+x=880 | | -31+7X=8(2-5X) | | 5=-4(-3x-4)+1 | | 5z^2-15z+10=0 | | (1/X)=(W/P) |