If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d in (-oo:+oo)
-4 = d+7 // - d+7
-d-7-4 = 0
-d-11 = 0 // + 11
-d = 11 // * -1
d = -11
d = -11
| -1=a+7 | | 6=t-3 | | x^4+2x^2-2x-1=0 | | 5=a+6 | | n/-4=6 | | 14=t+3 | | t+4=11 | | k+8=4 | | -7+d=3 | | 2x^3-5x^2-9=0 | | -9+d=-2 | | -8+d=-17 | | -10+n=0 | | k/-3=7 | | 0=w-6 | | 3=d+2 | | -10=t-10 | | -3d=-21 | | k+1=-2 | | 6=n-1 | | -2=d+9 | | 15=-5/6x | | 10=n-2 | | w+8=5 | | 9+t=18 | | x^3+4x^2-11=y | | 9+a=6 | | 4b=-40 | | w-10=-17 | | -9+t=-13 | | -15=w-8 | | -4+t=-4 |