If it's not what You are looking for type in the equation solver your own equation and let us solve it.
t in (-oo:+oo)
20^(-t/30) = 0
t naleu017Cy do O
t belongs to the empty set
| 3y+9x=7 | | y/5+2=y/4+5 | | 6x+2-5x+7+x=39 | | 8x+4y=1000 | | X+3(12)=2(7) | | (2x-1/5)-3 | | (2+9i)= | | 1.6d=-4 | | 1/3x+x-20+x-10+40=360 | | 9x=74 | | -8x/x-12 | | -.4d=5.2 | | 642/3x=x | | 100a-6=90 | | ln(x)+ln(6x)=3 | | 0.05f-0.6=5.3 | | 8y^2+2y-3=0 | | 5/9s=-10 | | 18x+10y=15 | | (-11)+3-10(-11)=-8(-11)+14 | | 1/2(8n-2)=7-2n | | -4.9=3x+25.1 | | 84/4x3+49 | | 6n-2(n-1)=26 | | 5-3(-6y+3)=-9(-4y-1)-6 | | 5/9d=-10 | | 5+(7+x)=18 | | y^1/2-5y^1/4+4=0 | | 2/7s=-4 | | (x^2-16)+25=0 | | 10x=x+20 | | -1/4w-3=w+1/3 |