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-10 = -13 // + 13
t-10+13 = 0
t+3 = 0 // - 3
t = -3
t = -3
| w-7=-3 | | 15=w+8 | | a+9=10 | | a+2=8 | | 18=7x-10 | | 5+9x=104 | | 83=8x-5 | | 11=t+4 | | 3=d+6 | | 2=t-3 | | 2t=-20 | | -4b=-32 | | -4+t=-8 | | 7x+13=69 | | 2=t-6 | | 3+k=3 | | 2k=0 | | 18=a+9 | | w+5=-3 | | (2x)(2x)-36x+81-1=0 | | 3(y-5)= | | 5x-6=30+0.5 | | b/2=-3 | | b+4=9 | | a+8=14 | | 8+n=14 | | k-9=-7 | | 10=k+1 | | 52=5x-8 | | 53=7x-10 | | 4v+5=-7 | | 9=w+6 |