If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
5*(1*w-3) = 20 // - 20
5*(1*w-3)-20 = 0
5*(w-3)-20 = 0
5*(w-3)-20 = 0
5*w-35 = 0
5*w-35 = 0
5*w-35 = 0 // + 35
5*w = 35 // : 5
w = 35/5
w = 7
w = 7
| 6(7+m)=-18 | | 7(2+6m)=14 | | 6(-6d+4)=168 | | 7(9-6d)=-273 | | 4(-4b+10)=-88 | | 5(-2+w)=10 | | 6(3b+1)=-102 | | 7(5t-5)=385 | | 7(-3n-3)=-273 | | 7(7+4w)=217 | | 2(4n+10)=60 | | 5(-6+4d)=150 | | 7(3w-9)=147 | | 3(6+5w)=153 | | 5(-4t-6)=-150 | | 3(-8+n)=-60 | | 3(-6k+3)=117 | | 6(2-b)=-60 | | 7(3+6t)=105 | | 4(1n+8)=48 | | 3(-4n+10)=-78 | | 4(5+6b)=308 | | 2(-7x+10)=6 | | 3(2x+9)=87 | | 6(3-3x)=0 | | 7(3m+3)=0 | | 3(1b-5)=3 | | 4(1w+8)=64 | | 3(7n+5)=225 | | 6(2-d)=42 | | 4(6-4m)=8 | | 3(-2a-10)=-60 |