7(k-9)=21

Simple and best practice solution for 7(k-9)=21 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 7(k-9)=21 equation: 



7(k-9)=21

We move all terms to the left:

7(k-9)-(21)=0

We multiply parentheses

7k-63-21=0

We add all the numbers together, and all the variables

7k-84=0

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

7k=84

k=84/7

k=12

See similar equations:

| 3x+1-1x=-9 | | |x2-8x+14|=2 | | 9x+4=490 | | 3g+15=12 | | 5(t+6)=55 | | 7(k-10)=91 | | 9q+5=32 | | C(x)=15.00+0.06x | | {4x+84}{8}=-3x | | 5/17=u/11 | | -4(-8x+4)=5(7x-8)+39 | | 5x-69/7=4x | | -m^2-6m-25=0 | | 18-4x=7x+21 | | 6x+7=4(8x+3)+99 | | 5(x+3)–12=43 | | 5(4x+5)+3x=71 | | 15^2x4=0 | | |5x+10/4x-5|=6 | | -15-5p/2=-15 | | 3x/4=-35 | | 3x-9/4=0 | | 3k+4=-26 | | x^2-3/2x+9/16=1/4+9/16 | | 2a/9+5=35/9 | | 60=0-(0.15*x) | | 60=0-(0.15xx) | | v=15+8(2) | | 3x/5-4=16/5 | | 32x=1/81 | | x+2x+3x=190 | | e+8=-28-3 |

Equations solver categories