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)
3/4-(2*a) = 1/6 // - 1/6
3/4-(2*a)-(1/6) = 0
3/4-2*a-1/6 = 0
7/12-2*a = 0 // - 7/12
-2*a = -7/12 // : -2
a = -7/12/(-2)
a = 7/24
a = 7/24
| -2c-2=-5(-9c+7)-10(6-8c) | | 7x+12x=25 | | -6x+6(-x-18)=36 | | (2a+2b+2c)= | | 10x(5x^3+3x-8)=0 | | 5x^3+3x-8=0 | | 5x+5(2-6)=150 | | 12v^7w^8-16v^5w^3x^9= | | A+112-26=254 | | M/5=q | | 10+20y=5x | | 33/3=x/51 | | 21(p-26)=336 | | P/6=95 | | 9y=260 | | (3/9)x(2/3) | | 4(10)-6=0 | | 2/4=19 | | 2x^5y*3x^2y=0 | | sin(x+5x)=1 | | 10+4x=-23 | | (5z-6)+(2z-3)=180 | | 6(m+1)+5=13-2+6m | | 74=8x | | -2(m+1)=-2m+5 | | 10x+4y=5x-7z | | 40f+40=20 | | a^4+10a^2-16=0 | | 0=40+5x | | 28x^3+4x^2-7x-1=0 | | -420/168 | | 2x=411 |