15=21-3k

Simple and best practice solution for 15=21-3k 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 15=21-3k equation: 



15=21-3k

We move all terms to the left:

15-(21-3k)=0

We add all the numbers together, and all the variables

-(-3k+21)+15=0

We get rid of parentheses

3k-21+15=0

We add all the numbers together, and all the variables

3k-6=0

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

3k=6

k=6/3

k=2

See similar equations:

| X2+10x+25=16 | | 16t-5-12t=31 | | 3-a=4a+122 | | 3.65+e=-10.75 | | 11-20r=-19r-5 | | x/x=1=4 | | 3=j/2-7 | | 6t-4=-6+6t | | |4t-5|=2t+1 | | 5=21-4p | | 2x+80=x+25 | | X+x+x+2x-9+2x-9=360 | | 2+7h-19=16+7h | | 3y-2(y-5)+3=7 | | 24=(v-92) | | 1+6t=79 | | X2+8x+16=1 | | 5f+5=55 | | Y=-2x+247 | | (x^2-5x+2)+(x^2+4x+5)-(x^2-6x-42=) | | 31.5=0.1x+0.18x | | 4(3-n)=8 | | 12x-11x=14 | | X+69+x+121=180 | | z/4+8=14 | | 4x+5=27-18 | | 24+2s=62 | | 7(n-4)-(2-5n)=11n | | 4t^2+19t-5=0 | | -1-8w=-7w-8 | | 9x-53=0 | | 98=7j+7 |

Equations solver categories