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)
(7*v)/(-25) = -12 // + 12
(7*v)/(-25)+12 = 0
12-7/25*v = 0 // - 12
-7/25*v = -12 // : -7/25
v = -12/(-7/25)
v = 300/7
v = 300/7
| -2(u-5)=4u-8 | | 6y-13=-11+7y | | 4x+7y+7x+6Y= | | x^2-(9+k)x+12k=0 | | 0.07x+0.08(10000-x)=420 | | 7x+7+5x+5= | | 17t+15= | | 8y=50+6 | | Ln(2x)-2=0 | | 0.07+0.08(10000-x)=420 | | 12+.25(4x-8)=8x+4 | | 10x+20x= | | 15=8x^2+-24x-305 | | 18x+6x-16=20x+4 | | 2y+5y=25 | | z^2-2.66666667z+1.777777777778=0 | | 16x^2-25=40x-50 | | 20t=4 | | 2x+3y+x=180 | | 3x+15=540 | | z^2-2.667z+1.778=0 | | 2/3(15) | | 2x+3y+e=180 | | 16d=21 | | 6y-12=-11+7y | | 3z-29=1+9z | | ((-4)/9)x=-12 | | 4.7=x/3.2 | | ((-2)/9)x=-6 | | 16x^2-25=231 | | 26x+14=-10 | | 2/3-x=37 |