If it's not what You are looking for type in the equation solver your own equation and let us solve it.
p in (-oo:+oo)
p/(-7) = -12 // + 12
p/(-7)+12 = 0
12-1/7*p = 0 // - 12
-1/7*p = -12 // : -1/7
p = -12/(-1/7)
p = 84
p = 84
| -5(35)-7y=35 | | -7w-7=3w-7 | | 2x^2-6x-51=0 | | 7-6(0)=13 | | 1/6*x=-17 | | 36-2x=13x | | 5(-2+4x)=-130 | | -8=6x-20 | | r/4-6=4 | | 7-6(10)=13 | | 4x+20=42 | | -84=x/3 | | -6=-9+3x | | 7-6(9)=13 | | 7(2x-5)=2(x-3)+8 | | 7-6(-1)=13 | | -7(35)=35+5x | | 11/4*x=11/3 | | 1/98x^2 | | -4x-4=40 | | -1/6(y-3)=2/5(y+3) | | 5/6*x=-5/9 | | 1/5x+3=19 | | -1/6(y+4)=3/8(y+1) | | -1/8*x=-3/4 | | y-13=-1(x+7) | | 6u-u=45 | | 2x^3+x^2+1=0 | | 2(x+5)=3(5+3x)-7 | | -4/7x=-1 | | 2k+3(k+1)=6k-3 | | 7y+2y=36 |