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)
t/30 = 10/25 // - 10/25
t/30-(10/25) = 0
t/30-2/5 = 0
1/30*t-2/5 = 0 // + 2/5
1/30*t = 2/5 // : 1/30
t = 2/5/1/30
t = 12
t = 12
| (4-x)(4+x)= | | 10(x+4)=8x+52 | | 5(y+5)-7y=7 | | 81/54= | | 8/12=28/h | | (2w^2)+w-68=0 | | 4(z+1)+5(4-z)=3z-8 | | 10(x+4)=2x+96 | | 6+3b=-3(b+2) | | (b+7)(b-7)= | | 2(x-4)2=40 | | p^2q^2-pq^2=0 | | 6sin(4x)+2=5 | | 3c+25=78 | | 8(x-10)=4x-76 | | 9x/4=7/8=4x-3 | | 3x+x-5=3x+8 | | f(x)=-16x^2+80x+2.5 | | 19+3m=40-2m | | 10x^2-78x-108=0 | | 35/15=x/12 | | 10(x+6)=6x+88 | | 135+(60+40)(x-3)=800 | | 3b+1=26 | | 6/15=2/x | | f(x)=0.03x+0.88 | | 7=piex | | 6a+2=-23 | | 2x-(5/7x-3/4x)=57 | | 6x^3=92 | | 39.63+0.05x=c | | 5x^2+4=136 |