21=7+v/2

Simple and best practice solution for 21=7+v/2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 21=7+v/2 equation: 



21=7+v/2

We move all terms to the left:

21-(7+v/2)=0

We add all the numbers together, and all the variables

-(v/2+7)+21=0

We get rid of parentheses

-v/2-7+21=0

We multiply all the terms by the denominator


-v-7*2+21*2=0

We add all the numbers together, and all the variables

-1v+28=0

We move all terms containing v to the left, all other terms to the right

-v=-28

v=-28/-1

v=+28

See similar equations:

| 3e-7=7e-11 | | m+3/4=2m-1/5 | | -4=-d/3 | | 3=6n-5n | | 3v-5=-23 | | 48=-u+269 | | 4x2+3x-27=0 | | -2+2v=6 | | -3x+7=-4×-6 | | 174=-y+15 | | ∠A=8x−8∘ | | -3×+7=-4x-6 | | 3x+11=2x-15 | | 8-4s=8+13 | | -1/4a-1=7/4a-3 | | -1/4a-1=7/4a | | 12x+2=6x+20 | | 2x(×-2)=12 | | 9e+4=-5e+13e3 | | 4-r=19 | | (3.5x)(2x)+x=1080 | | 3s+3=27 | | 6(2-d)=9(4-d) | | (3.5x)(2x)+x=1076 | | (3.5x)(2x)+x=1-76 | | 5=-v | | -22=-4+r | | -7(4+7x)-3x=-8(-4+5x) | | x+22=6x | | 6(x+4)=4x+8 | | 5k−5k+3k−3k+2k=18 | | 7r-5r=12 |

Equations solver categories