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)
(a-3)/4-((2*a-5)/2) = (a+1)/3-(1/6) // - (a+1)/3-(1/6)
(a-3)/4-((2*a-5)/2)-((a+1)/3)+1/6 = 0
(a-3)/4+(-1*(2*a-5))/2+(-1*(a+1))/3+1/6 = 0
(2*3*6*(a-3))/(2*3*4*6)+(-1*3*4*6*(2*a-5))/(2*3*4*6)+(-1*2*4*6*(a+1))/(2*3*4*6)+(1*2*3*4)/(2*3*4*6) = 0
2*3*6*(a-3)-1*3*4*6*(2*a-5)-1*2*4*6*(a+1)+1*2*3*4 = 0
24-108*a-48*a-48+252 = 0
24-156*a+204 = 0
228-156*a = 0
(228-156*a)/(2*3*4*6) = 0
(228-156*a)/(2*3*4*6) = 0 // * 2*3*4*6
228-156*a = 0
228-156*a = 0 // - 228
-156*a = -228 // : -156
a = -228/(-156)
a = 19/13
a = 19/13
| (x^2+4x)/2=70 | | 5/6+1/7=9 | | 18d+6+8duse=6 | | x/7-=5 | | 2y-8=12x | | (w^5/w^2) | | 10/7/8/15 | | 90=(93+85+x)/3 | | 4y-7y+8-10=0 | | 90=93+85+x/3 | | 3xn=36-5 | | 4x-5=11x+54 | | 2r+18=100-18 | | 5/-9*3*-2/7 | | 21/1*3/7 | | 21*3/7 | | 4(2x-1)=10-3 | | 3-s=4-3s | | 4x-6+(-8x+11)= | | x^2-10+25=17 | | 3n+9=7-15 | | 7x+r=3x+16 | | -3(-6u+5)-u=7(u-4)-3 | | 24=-4(a+3) | | 1/5x+x+x-51=180 | | (3+x)*x=30 | | (3+x)*x= | | 5(y+8)=6(y-2) | | 3(b-5)=1-b | | 3+x*x=30 | | 5y+40=6y-18 | | x+3*x=30 |