7k-14+3k=21

Simple and best practice solution for 7k-14+3k=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 7k-14+3k=21 equation:


Simplifying
7k + -14 + 3k = 21

Reorder the terms:
-14 + 7k + 3k = 21

Combine like terms: 7k + 3k = 10k
-14 + 10k = 21

Solving
-14 + 10k = 21

Solving for variable 'k'.

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

Add '14' to each side of the equation.
-14 + 14 + 10k = 21 + 14

Combine like terms: -14 + 14 = 0
0 + 10k = 21 + 14
10k = 21 + 14

Combine like terms: 21 + 14 = 35
10k = 35

Divide each side by '10'.
k = 3.5

Simplifying
k = 3.5

See similar equations:

| 5w^4+5w^2+15w= | | 5x+5=3x+17 | | 3y-4+y+48=7y+50-5y | | y=(2x^2)+x-10 | | 7x+3=x+21 | | 4.8+1.1n=2.38 | | 2z-31=-9+24 | | (x+2)(x-3+5i)(x-3-5i)=0 | | 5x+14=3x-7 | | x^2=41 | | -5i+9=-3i+11 | | 3y-12=90 | | (x+2)(x^2-10x+50)=0 | | -(85x-61y+40)= | | 15-4n=n-1 | | 0.4(6x+12)=1.2-(x+2) | | 8x^2-8x-22=-6 | | 2x^2=9x+15 | | 9y-4(y+5)=7*7 | | (6-2)(3-7)= | | (x-5-5i)(x-5+5i)=0 | | 0.50-10a=0.75-6a | | m^2+6m=0 | | 9+5*8= | | -3(1+6r)=4-r | | 8y-6=90 | | 9x^2-0x-16=0 | | 3a-4-2=5-2a | | 15-(-33)+75x=25x-(-3) | | 5x-(2x-4)=31 | | 7r+2=-8-3r | | x^3-14x^2+13x=0 |

Equations solver categories