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)
(6*a-4)/8-((4-(2*a))/4) = -6 // + 6
(6*a-4)/8-((4-(2*a))/4)+6 = 0
(6*a-4)/8-((4-2*a)/4)+6 = 0
(6*a-4)/8+(-1*(4-2*a))/4+6 = 0
(4*(6*a-4))/(4*8)+(-1*8*(4-2*a))/(4*8)+(4*6*8)/(4*8) = 0
4*(6*a-4)-1*8*(4-2*a)+4*6*8 = 0
40*a-48+192 = 0
40*a+144 = 0
(40*a+144)/(4*8) = 0
(40*a+144)/(4*8) = 0 // * 4*8
40*a+144 = 0
40*a+144 = 0 // - 144
40*a = -144 // : 40
a = -144/40
a = -18/5
a = -18/5
| 9+-7*5= | | (1+2x)(x-5)=0 | | 9+-7*1= | | k/5-4=-8 | | 9x+19=3x+199 | | 9+-7*0= | | 9+7*0= | | 5(x+13)=190 | | 2n+12=20 | | 1.6-d=13 | | -7=b/4 | | -12x+3y=1 | | 5217=47(p+25) | | 2X+7Y=60 | | 7y-4x=3 | | 5+(n-1)(1/6)= | | (x+2)(2x-3)=5x^2+x-114 | | (5x^2+26x+9)/(x+4) | | b/8=6 | | 41/2+3/16 | | z/3.75=4 | | 12z=180 | | 1+(n-1)(-5.7)= | | 14+2=29 | | 5z-8=-3z | | 2x=3(4x-5)+5 | | 1/2x+5=-7 | | -5a+10=-15a | | 3.6x-5=2.6x | | 12x-17x+6=0 | | 8y-4=-y+14 | | y=-16t^2+480t |