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)
(4/5)*a-((3*a)/3)+6 = 40 // - 40
(4/5)*a-((3*a)/3)-40+6 = 0
(4/5)*a-a-40+6 = 0
-1/5*a-34 = 0 // + 34
-1/5*a = 34 // : -1/5
a = 34/(-1/5)
a = -170
a = -170
| 12x^2-48x+0=0 | | 12-3x=32 | | 41=-6x-3 | | 7m+10m+2m-4+16= | | n+7-n-12=n-6+8 | | 6(y-1)=4y-16 | | B^2+15b+56=0 | | 3x-21=-9 | | 12x+5x-2X= | | 1/2(6x) | | x^2-10x=e | | 2x-5(x-17)=121 | | x/3+2x/6=4 | | 6y-4=3y+8 | | 2/9+-1/-2= | | 9-2/5x=1 | | 2x(4+5x)=5+10 | | lnx+ln(x-10)=1 | | -160=6x-4(4x+10) | | X^2+x+-30=0 | | 2x^2+2xy-9x-9y=0 | | ln(x^2-10x)=1 | | y=2.60x+3.60 | | x^4-3x^3+2x^2-14x+8=0 | | 2x+22=10 | | 7x+4=8x-3 | | 8y-10y=-11-15 | | 3y^2+8y-16= | | 4a+1-3a=4a+2-4a | | 2x-6(3x+11)=110 | | 141=-3(1+6x)-6x | | 43.2=27z |