If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-12-3v=-3(v=4)
We move all terms to the left:
-12-3v-(-3(v)=0
| 3a-2a+2a+a=12 | | 10-7q=15+6q | | Q+f+1=3 | | 19.42+2.7u=-2u-9.72 | | 6x+4=-5x+37 | | y=1-1/4 | | 25x-5-40x+12x=10 | | -15g+-6g-g=20 | | 9r-14=4 | | x-16=x−16=14.3 | | 11k+1=k | | -15g+-6g—g=20 | | 4/x-5=2/x-5 | | 0.5s-6=0.25s+4 | | 4t+80+11=15 | | x/5+3=120 | | 4y-1/5y=0.75 | | 3.5-11.9t=-12.4t | | 2/3(f-8)=12 | | 2^(5x+1)=32 | | 500x-15x=800x-10x | | 20y-12y-6y+2y+4y=16 | | 4x+10=2x-38 | | -19=5k+9k | | Y=(-8+2y)+6 | | 1/4(-6+x)=42 | | 7(m+-6)*m=8 | | -10000=-600x+(-1000) | | 28-9y=-11y | | -6(2v+4)=8(v-4) | | 3/2(a-10=-3 | | 2(e-5)=-10 |