-21+7k+5k=12+k

Simple and best practice solution for -21+7k+5k=12+k 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+7k+5k=12+k equation:


Simplifying
-21 + 7k + 5k = 12 + k

Combine like terms: 7k + 5k = 12k
-21 + 12k = 12 + k

Solving
-21 + 12k = 12 + k

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '-1k' to each side of the equation.
-21 + 12k + -1k = 12 + k + -1k

Combine like terms: 12k + -1k = 11k
-21 + 11k = 12 + k + -1k

Combine like terms: k + -1k = 0
-21 + 11k = 12 + 0
-21 + 11k = 12

Add '21' to each side of the equation.
-21 + 21 + 11k = 12 + 21

Combine like terms: -21 + 21 = 0
0 + 11k = 12 + 21
11k = 12 + 21

Combine like terms: 12 + 21 = 33
11k = 33

Divide each side by '11'.
k = 3

Simplifying
k = 3

See similar equations:

| -8(x+1)=x-(2+6x) | | a+2a=14-17 | | 25=×*100/20 | | 6x^6-3x-9x^2=0 | | 2xm+x+10=9x-6x+10 | | 2xm+x+10=9xm-6x+10 | | 6p-2p-2=8-6p | | 9i/9-4i | | X-1/3=12/5 | | 5w+50=7w | | 15x=16x+4 | | U^2-8uv-12u^2=0 | | -6x+13=-21 | | k^2-20k+39=3 | | y^2+a^2=a^2+y^2-a(a+1) | | 3(v-4)=-3b-5 | | 8.2=-a-(-2.2) | | .4t^2=36t | | 3y^2+10y-217=0 | | -5yx+y=14 | | 2(v+2)-6v=8 | | -12+5=-9 | | -11+3x=1-1x | | 36t-.4t^2=0 | | 7-I=0 | | 3y^2+2y-217=o | | 21y-1+9(10.83)-38=180 | | y^2-a^2=a^2+y^2-a(a+1) | | H+6=-2+3h | | 25-3x-(x+2)+11x+15-(x-1)= | | H+6=-2+3*h | | -4(x+1)+6x=2(x-2)+8 |

Equations solver categories