21-k=12

Simple and best practice solution for 21-k=12 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-k=12 equation: 



21-k=12

We move all terms to the left:

21-k-(12)=0

We add all the numbers together, and all the variables

-1k+9=0

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

-k=-9

k=-9/-1

k=+9

See similar equations:

| -x+30=-70 | | -3/8y+2/5=1/7 | | 3n-6/n+2=3 | | 2x+10+5x+50+x+4x=360 | | x(2x6)=60 | | -4×+2y=6 | | 2x-10+5x+50+x+4x=360 | | (6X+4)^4=6x+2 | | X=110+-100x | | 5/6+x/2=7/3 | | 3x/8-4/3+x/6=-1/4 | | 96=-8(11x-4-3x) | | ÷x=x+1 | | 1/2x=46/3 | | 37+9x-3(x+4)=103 | | √x=x+1 | | 3^2x*9^x=3^4 | | 6/15=g/10 | | 4x+7=37+2x | | 5.4x=6 | | x+3=x-5x-4x+4 | | (x-4)x+3=x-5 | | x+3=x-5X-4 | | 3x-36-23=0 | | 2(6x-3)=24 | | 4s^2-81=0 | | 32​(9m−6)=20 | | 2a+2/2a+3=6/5 | | 7v-8=3v+28 | | 12.73+0.06(x+3)=13.48+-0.14x | | 5s-6=3s+24 | | 10(s-3)=-123 |

Equations solver categories