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-a-4 = (1/5)*(1-a) // - (1/5)*(1-a)
A-((1/5)*(1-a))-a-4 = 0
(-1/5)*(1-a)+A-a-4 = 0
A-1/5*(1-a)-a-4 = 0
A-1/5*(1-a)-a-4 = 0
A+1/5*a-a-4-1/5 = 0
A-4/5*a-4-1/5 = 0
A-4/5*a-21/5 = 0
A-4/5*a-21/5 = 0
x belongs to the empty set
| 12+x=7/10+3/10 | | 3x+4=8-.5x | | 8k^1/9m^-2 | | 3x+9=9(3x+7) | | y=90+-33x+3x^2 | | -144=3x-4(-4x-2) | | 10(x+1/2) | | j/3/9=6/7 | | 7+36lnx=3 | | 7x-2=7x+26 | | 9x-23=0 | | 4(6x+3)=9x-2 | | y=3(x-5)(x-6) | | 10x+2x+7=-17 | | C+(-6)=12 | | 5/6x+2=8 | | 5(5x+4)=-9(2x+1) | | 5x^2-42x+16=0 | | 4x+7=2.3 | | 9(p-6)=6(-9-5p) | | 7(x+4)-8(x+4)=5(2x-1) | | 12+x=x/10+3/10 | | 7x-2=137+5+17x | | -135=3x+3(3x-9) | | -3(7xy-4)-4x(5y-9)+2y(4x+3)= | | 14.5-p=53 | | M+3m+2m+6= | | 6ab-3ab-6b=3ab-b+c | | 71+5x=-133-7x | | 3x-6(x-5)=-4-5(x-12) | | 12+3/10 | | 11x+64=-74+5x |