If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-4-5v=21
We move all terms to the left:
-4-5v-(21)=0
We add all the numbers together, and all the variables
-5v-25=0
We move all terms containing v to the left, all other terms to the right
-5v=25
v=25/-5
v=-5
| (9×10)×e=9×(10×5) | | p2-12p-45=0 | | 3x+2=8-3(2-x) | | 2r-3=-19 | | 10x-1=2x+5 | | 3(3m-1)=35 | | 8w-14=122 | | (3x+5)÷(2x+1)=1/3 | | 19=3kH | | 1,2(1+x)=7 | | 6-2y=-7 | | x+x+26=65 | | x=x+26=65 | | 2x+(x+4)=(x-3)+(x-3) | | 28-q=2 | | –4−2c=–3c | | 7x+20=220-60 | | x6-5=6x | | 3x-5+4=180 | | 4(x-12)-7=29 | | .8=x-5 | | a/7+11=9 | | 0.12x(2x-5)+3x=81 | | 3x-65=14 | | 3/x=x/48 | | 3x/2-4=1/3 | | 1070-x=x+50 | | 3(x-5)+5(x-3)=4(x-2)-3(x+1)-7 | | 24x-2x=12 | | (3x-7)=(5x+2) | | C+2+c-3=14 | | 4x+15=2x+2 |