If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b in (-oo:+oo)
13 = b+3 // - b+3
13-b-3 = 0
10-b = 0 // - 10
-b = -10 // * -1
b = 10
b = 10
| 7n=-7 | | 3-10b=4h | | -3n=-24 | | -5=t+1 | | 2+n=0 | | 4b-6-10b-8= | | 5x-4/3x+2=0 | | 4+a=-4 | | m+2=-10 | | a/6=7 | | 18=w+6 | | 5x-4/3x+2 | | 5x+6=136 | | d-10=-7 | | -2=d+2 | | 10+a=0 | | 12=k+10 | | 2b-4-11b-9= | | -2x-7=15 | | m-10=-20 | | 5w=50 | | b-10=-2 | | 4m-11=8m+7 | | -5x+=-10 | | (7+1i)/(-3+3i) | | -2m=-24 | | -5+m=-7 | | -3m=-30 | | 7+1i/(-3+3i) | | 2+2-8+8=x | | 10/4=n/6 | | 6x-6(5+3(3x+7))= |