If it's not what You are looking for type in the equation solver your own equation and let us solve it.
v in (-oo:+oo)
91 = v/7 // - v/7
91-(v/7) = 0
91-1/7*v = 0 // - 91
-1/7*v = -91 // : -1/7
v = -91/(-1/7)
v = 637
v = 637
| 27y^3+15y^2-12y=0 | | 5x/7-x-1/2=x-1/5 | | 2x=47y+10 | | 6x+29=2x+13 | | z=5-3i | | b^2-5b-46= | | 3=2v-v | | 5z+2z=6z-7 | | 7(8-4x)=-224 | | 5(x+5)-(2x-6)=2x | | x=56/.0844 | | p+p+2p+1+p=11 | | 4(y-1)/5 | | 2+6y=-10+5y | | N/24 | | 39=(3(x+3)) | | 10d+5=9d+8 | | X^2-2=3x | | 6(a+5)=69 | | 7x+6-3x=14 | | -2.1=7c-7 | | 30=64t-16t^2 | | q^2-13q+14= | | 5e-1=39.5 | | 2x-.25x=28 | | 6(3x-8)+7(-2x+6)= | | 6x+2(x-8)=74 | | 8p=26.4 | | 7x+4(2x+9)=156 | | 7x^2-7x-184=0 | | 2(a+6)=18 | | 7x+2(2x+3)=127 |