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)
3.4 = t/2.5 // - t/2.5
3.4-(t/2.5) = 0
3.4-0.4*t = 0
3.4-0.4*t = 0 // - 3.4
-0.4*t = -3.4 // : -0.4
t = -3.4/(-0.4)
t = 8.5
t = 8.5
| 2-x-7=10x-3 | | 0.2p+2.2p=4.16 | | (6x-4.5)=83.333333333 | | 5+1x=8+.75x | | log(x)+log(x+5)=log(66) | | -5/6m-60 | | X+9=-2x+3 | | =(2x^6/5)^2 | | (6x-4.5)+5=130 | | m+7.9=11.6 | | =(6x^2y)(6xy^3) | | 2q+6=8 | | 0=t^2-2t-35 | | 1-2x+22=20 | | -2x-5=13+4x | | 1/2log4(x)=3log4(4) | | k+2-3k=-4 | | (3x+7i)(7x-4i)=0 | | 8x^2=-36 | | -x+5-3=-2 | | y-3=1(x+5) | | -a+42=26 | | 4n-5n=-6 | | y/8-1/16 | | 4x^2+8x+4y^2-20=0 | | -12.2/3=-11/9y | | 9-3y+57x=m | | 3x+-7=-16 | | -6n-8(1+3n)=52 | | -(12-6x)=3 | | 2cosx-cos^2x-1=0 | | x+2y+5=38 |