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/3 = 13 // - 13
t/3-13 = 0
1/3*t-13 = 0 // + 13
1/3*t = 13 // : 1/3
t = 13/1/3
t = 39
t = 39
| 12(5+2y)=4y-(6+9y) | | 7c-10=32 | | 1/8+34 | | 2(1/3w+1/4)=4+1/3 | | x+23=1996 | | 2(n+4)=200 | | x-2=2x+6/4 | | 6=8(Y-2) | | 15-1/6n-1 | | 1/5s=-10 | | 4x^2+7x+4=1 | | 15x+2(11-4x)=82+x | | p^2-pq^2-p^2q+q^2=0 | | x=-12*4+68 | | 4x/3=8x-20 | | 6x+4x-2=13 | | X^2-3x=2x+6 | | (3x+2)+5=-23 | | 8m+11+3m-1=5m+52 | | =-44-12 | | -7r-8(r-6)=93 | | 7v-(-2v)=12 | | =44-12 | | 7x^2-5x=x^2+4 | | -3a-2+3=-2 | | (4+2.8)d=60 | | (3x+2)+5=23 | | -1/4x+3=4+3/8x | | 69-4x=5x+21 | | 7x+5x-40=80-8y | | 16/x+5=4/5 | | (2x-1)-8=10 |