If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-78-15v+3v=-30
We move all terms to the left:
-78-15v+3v-(-30)=0
We add all the numbers together, and all the variables
-12v-48=0
We move all terms containing v to the left, all other terms to the right
-12v=48
v=48/-12
v=-4
| 8-z/3+4=6 | | (2+3x)=-(3x-8) | | (X-16)x6=(x-8)x4 | | 18–6a=4a–4(a+3) | | 2(x-100)=20+22 | | 2-10x=-8x-8 | | 2f-9=18 | | 51x+2=104 | | 2/3x+1/2=-3/8 | | y+2y-3y=125 | | g-2.25=4.45 | | 8x=3x-60 | | 9x-11=6x=3-x | | 8h^2-6h-9=0 | | d-14=28 | | 5(x+3)+2=192 | | 5(a=2)=-55 | | -5v-15=25 | | z^2-14z+74=0 | | v/3-5=6 | | 2/3x+1/2=3/8 | | 36+9x=99 | | 1/2(8x+16)+15x-5=5(3x-1)+4+8 | | 20=2+3n | | 55-6x=1 | | 6+9r=-30 | | 7y+4=-y-20 | | X+4=5x+1/2 | | 2/5b+2=-4 | | 3(6-y)-2(-4)=-2 | | 3/4x+1=2 | | -4x=3+27 |