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*(3-w) = 70 // - 70
5*(3-w)-70 = 0
5*(3-w)-70 = 0
-5*w-55 = 0
-5*w-55 = 0
-5*w-55 = 0 // + 55
-5*w = 55 // : -5
w = 55/(-5)
w = -11
w = -11
| 7(4t+8)=280 | | -3/4x-8=13 | | 23=.15x+5 | | 40=x+8 | | 4.2x-6.2=1-1.1x | | 6x(x-4)-16x^2-(9x-1)= | | 6(2+7w)=-240 | | x+11=23-5x | | 2(5a-1)=-102 | | 6(5w+6)=186 | | 3(-4+7t)=-180 | | 7(3+d)=28 | | 4(-7n+5)=-92 | | -50h+750=-185+35h | | 4(-3x-6)=-24 | | 2(7w+6)=40 | | 2(1w+7)=24 | | 7(10+4a)=154 | | 2(4m-7)=-110 | | 5(-2-3n)=80 | | 5(7+3w)=-145 | | 3(9-5b)=-18 | | 4(5a+10)=-20 | | 3(-2+4x)=-6 | | 6(-2d+7)=54 | | 5(4-6k)=-340 | | -4.2t+1.5=16.2 | | 5(7+4a)=155 | | 3(-3d+9)=-36 | | 4(-8-2a)=32 | | 5(3a-8)=-190 | | 6(-3+7m)=-354 |