12=-2x-(x+3)

Simple and best practice solution for 12=-2x-(x+3) 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 12=-2x-(x+3) equation: 



12=-2x-(x+3)

We move all terms to the left:

12-(-2x-(x+3))=0



We calculate terms in parentheses: -(-2x-(x+3)), so:

-2x-(x+3)

We get rid of parentheses

-2x-x-3

We add all the numbers together, and all the variables

-3x-3

Back to the equation:

-(-3x-3)



We get rid of parentheses

3x+3+12=0

We add all the numbers together, and all the variables

3x+15=0

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

3x=-15

x=-15/3

x=-5

See similar equations:

| 30/360=x/78.5 | | 5x​ +4x​ =18 | | 4x+9=4x-32 | | 2a‒5=7 | | 8x+15x=0 | | 2(x+3)^((2)/(3))-4=14 | | -4x+-4=6(-2x+4) | | 5(h-75)=65 | | -16v+1=0 | | 6x-8=7x-19 | | 92=5y-133 | | 1=4n-4/n-1/2 | | 2f-44=14 | | 5(d-87)=35 | | 3x+5=x8 | | p/2+38=47 | | x+64=–27 | | 4x-14=-12x | | 68=p/7+64 | | 10−8v=–7v | | b/10+73=77 | | x²=351 | | y=-3.5+-4 | | 54=2(n-47) | | 12^r-11r-15=0 | | 7.6+q+3.4=12.4 | | 5(w-86)=40 | | 18=s/3+15 | | 53.1=f+10.08 | | -c^2-12c-20=0 | | y/4=1/20 | | 39y+6y-43y+2=26 |

Equations solver categories