-3v+21=-v-3(1+2v)

Simple and best practice solution for -3v+21=-v-3(1+2v) 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 -3v+21=-v-3(1+2v) equation:


Simplifying
-3v + 21 = -1v + -3(1 + 2v)

Reorder the terms:
21 + -3v = -1v + -3(1 + 2v)
21 + -3v = -1v + (1 * -3 + 2v * -3)
21 + -3v = -1v + (-3 + -6v)

Reorder the terms:
21 + -3v = -3 + -1v + -6v

Combine like terms: -1v + -6v = -7v
21 + -3v = -3 + -7v

Solving
21 + -3v = -3 + -7v

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '7v' to each side of the equation.
21 + -3v + 7v = -3 + -7v + 7v

Combine like terms: -3v + 7v = 4v
21 + 4v = -3 + -7v + 7v

Combine like terms: -7v + 7v = 0
21 + 4v = -3 + 0
21 + 4v = -3

Add '-21' to each side of the equation.
21 + -21 + 4v = -3 + -21

Combine like terms: 21 + -21 = 0
0 + 4v = -3 + -21
4v = -3 + -21

Combine like terms: -3 + -21 = -24
4v = -24

Divide each side by '4'.
v = -6

Simplifying
v = -6

See similar equations:

| 17+k=30 | | -7b=-9-8b | | 7x+112=5x+90 | | 0.75x=1.6 | | 9-16=3y | | 5x-4+8x-10=5x | | 14-5y=8y-8 | | 40-5c= | | -4s=-2s-20 | | -16=x+5 | | -5v=6-7v | | 12b+20= | | -135=-6(1+3x)-3 | | (2x+5)(x+8)= | | 19y-5=20y+14 | | 7x-2x-5=15 | | (9x^2-5x+12)+(7x^2+8x-78)= | | 63x^8+81x^5-45x^4+18=0 | | 1/4(-2x+8)=1/2(-45)+(-4x+112) | | -18+18p-20=9p+16 | | 4.50p=81 | | 5x+4=6x+20 | | 4x+8=-2x-8 | | r-13=0 | | 0.02+0.09(27000-x)=1380 | | x-10=84 | | -5m-2=-10-6m | | z-2=10 | | 10+10x=123w | | 5-z+2=7-z | | 9f-1=3f+9+7f | | 20-4x=24x+80 |

Equations solver categories