21-(x+9)=4x-8

Simple and best practice solution for 21-(x+9)=4x-8 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-(x+9)=4x-8 equation: 



21-(x+9)=4x-8

We move all terms to the left:

21-(x+9)-(4x-8)=0

We get rid of parentheses

-x-4x-9+8+21=0

We add all the numbers together, and all the variables

-5x+20=0

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

-5x=-20

x=-20/-5

x=+4

See similar equations:

| 4(b+3)= 2(b+4) | | 14+1h=0.75 | | 8x-5=4x-7 | | -4x+4+x=-20 | | 11=c/4+9 | | 6c+14=-c5c+4+9c | | 9x/3+11=28 | | -8-9x=19 | | -104=-4(1-5p) | | 4x+12=7x3 | | 180=7x-2 | | 3x-5-x=11 | | 30-3c=3 | | 40-8=6x | | -8x/5=16/15 | | -(x-4)+3=1 | | 10=12/n+6 | | -8x/5=16/5 | | 2u−2−3u−1 −14=0 | | 24+2z=z^2 | | 33-2p=p | | 4(-2.2r-2.3)=-41.76 | | (2x-7)(x^2-x-12)=0 | | P(n)=15n-500 | | 4x+5+9x=180 | | 4(-2.2r-2.3)=-41.6 | | 31x=389 | | 2x+4=7x-14 | | 3x+13=-3x-20 | | 4x^2-128x+100=0 | | 2x6-4X-51=0 | | -4(1-4m)=-84 |

Equations solver categories