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)
4*e^-2*x-((((3/4)*e^-1)/4)*x) = 0
4*e^-2*x+(-3/16)*e^-1*x = 0
(4*e^-2-3/16*e^-1)*x = 0 // : 4*e^-2-3/16*e^-1
x = 0
x = 0
| -8x+4=4x-12 | | Y=-x^2-5x-1 | | 3x+7(11-5x)-12=65 | | 2x^2+40x-42=0 | | 1.2x=156 | | -2x-4x=30 | | 2=x+(-8.4) | | 36-5h=-7h | | 4(2x+7)=5x-3 | | 5(x+2y)+3(x+y)= | | 52=48+m | | -8x-4/-2= | | Y^2-64=00 | | 3x+6(10-4x)-12=48 | | 2x+6(10-4x)-12=48 | | 52-12x+x^2=0 | | 3x+17x+5=-2 | | 14x-10=3x+7 | | 21-4f=7f | | 2x^2+xy-5=0 | | -8*-4/-2= | | y^2+6y-4x+1=0 | | x^2-9x+4ifx=-7+9i | | X^4-60x+144=0 | | 10x^2+19x-6=0 | | (x^2-7x+12)-(x+5)= | | 2^5x-3=1/16 | | 2x-14=2x-1 | | 2x-1=2x-14 | | -3-5+2x=-4x+7 | | -5a+4=34-(a+2) | | 0=-x+x^2 |