21-4k+4=5

Simple and best practice solution for 21-4k+4=5 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 21-4k+4=5 equation:


Simplifying
21 + -4k + 4 = 5

Reorder the terms:
21 + 4 + -4k = 5

Combine like terms: 21 + 4 = 25
25 + -4k = 5

Solving
25 + -4k = 5

Solving for variable 'k'.

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

Add '-25' to each side of the equation.
25 + -25 + -4k = 5 + -25

Combine like terms: 25 + -25 = 0
0 + -4k = 5 + -25
-4k = 5 + -25

Combine like terms: 5 + -25 = -20
-4k = -20

Divide each side by '-4'.
k = 5

Simplifying
k = 5

See similar equations:

| 12x-32=28 | | 4x=0.5x | | 5x+10=-50 | | 7y+12=3y-8 | | 12/5=6/n | | 7(2+n)-6=36 | | 5u*4= | | m^3+3m^2+2=0 | | 5(p-3)=1-3p | | (10x+7)+7x+3=180 | | -2(1-6p)=-2(1-p) | | -13x+36=-x | | 4x^2+36x+9=0 | | 6n=-2(-7n-12) | | 14-4g=30 | | 3(x+3)=2(2-x) | | 2x-16=-8x+4 | | 4x-10=2x+7 | | -(5-x)=-6(x-1) | | 7p-6=2-3p | | -4x+85=2x+31 | | 2m+2n=10 | | 4(x+7)=-3(x-14) | | 7(5g+4)= | | 3(a-14)=-12 | | 4(h+1.2)=2h+h+10.8 | | 7x+14=77 | | 9(x+3)+2(x+3)=5x-5 | | -3x+85=2x+40 | | 2x+13=4x-19 | | 7(2d+3)=49 | | 3x+(2x+5)= |

Equations solver categories