5+7k=21

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


Simplifying
5 + 7k = 21

Solving
5 + 7k = 21

Solving for variable 'k'.

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

Add '-5' to each side of the equation.
5 + -5 + 7k = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 7k = 21 + -5
7k = 21 + -5

Combine like terms: 21 + -5 = 16
7k = 16

Divide each side by '7'.
k = 2.285714286

Simplifying
k = 2.285714286

See similar equations:

| 5a-6=16 | | 25.08+4k=80.06 | | 8x-4x-1=2 | | (w+9f)(w-2f)= | | (Y-8)-(y+4)=5y | | 2n-6=7n+5 | | (v+11)(v+3)= | | (v+11)(v-3)= | | 3x+16x+5=0 | | A^2+4a=45 | | -1x^2+7x+9=0 | | 4x+8=2(x+12) | | 2y-3=11 | | 1x^2-6x=7 | | Y=14X+7 | | (x+3)(x+3)-(x-1)(x+5)(x+3)+(x-5)(x+5)3=0 | | 2x^2+16+28=0 | | -10x^11y^11Z^13+4x^11y^11z^13= | | 6c-14=-2 | | (-4y^8z^4)(-x^3y^3z^3)(x^8z^6)= | | 10x-126=4x-12 | | 102-4x=14x+16 | | 12x-28=56 | | 9a+5=13 | | r+10=3 | | 3x+11=-97-9x | | 192=0.5t | | 3x+11=23 | | 106-3x=3x+22 | | -5(-2x^4y^2z^2)(-x^3y^9Z^3)(x^4z^8)= | | r-6=-11 | | 95m+m=565 |

Equations solver categories