7x+21=-2(x+3)

Simple and best practice solution for 7x+21=-2(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 7x+21=-2(x+3) equation: 



7x+21=-2(x+3)

We move all terms to the left:

7x+21-(-2(x+3))=0



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

-2(x+3)

We multiply parentheses

-2x-6

Back to the equation:

-(-2x-6)



We get rid of parentheses

7x+2x+6+21=0

We add all the numbers together, and all the variables

9x+27=0

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

9x=-27

x=-27/9

x=-3

See similar equations:

| 2(x-15)=120 | | 4^(-x+14)=32^x | | 4n^2=-12 | | 53/x*x1/2=19 | | 3x+6-2x+2(x+6)=7 | | 4(x+2)-7x=32 | | |x+8|=|3x-2| | | -5a+6a=22 | | √x²-5x+4+1-x=-3 | | M-28/6-7m-16/5=1 | | 5/3n-8=-2 | | 6(x+9)+7=6x+4 | | x^2​​=​​9​/25​ | | 3.3(2x+1)-10.3(x)+1=0 | | |6-5x|=10 | | 3x+8/5-x=4 | | 34a-4(5a-+2)=36 | | 5n+25=3n+40 | | -3w-8=-50 | | 2(y+11/8y=190 | | X/5+3/2x+11/20=5x+1/4 | | 2x+ 5= x +6 | | 0.8+2x=3.5-0.5x | | 6p+2=56 | | 1/20t^2-3t=0 | | 4x+(5-4x)^0.5=3 | | 4x+(5-4x)^2=3 | | 3.5+10m=8.98 | | 25.24=5g+3.86 | | 11=1-v+6v | | -11+43=-4(x+5) | | 26=x12 |

Equations solver categories