-84=6-3(-5+7k)

Simple and best practice solution for -84=6-3(-5+7k) 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 -84=6-3(-5+7k) equation:


Simplifying
-84 = 6 + -3(-5 + 7k)
-84 = 6 + (-5 * -3 + 7k * -3)
-84 = 6 + (15 + -21k)

Combine like terms: 6 + 15 = 21
-84 = 21 + -21k

Solving
-84 = 21 + -21k

Solving for variable 'k'.

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

Add '21k' to each side of the equation.
-84 + 21k = 21 + -21k + 21k

Combine like terms: -21k + 21k = 0
-84 + 21k = 21 + 0
-84 + 21k = 21

Add '84' to each side of the equation.
-84 + 84 + 21k = 21 + 84

Combine like terms: -84 + 84 = 0
0 + 21k = 21 + 84
21k = 21 + 84

Combine like terms: 21 + 84 = 105
21k = 105

Divide each side by '21'.
k = 5

Simplifying
k = 5

See similar equations:

| -6x+12=7x-3-x | | 3(9+6)= | | 2x^2+5x+13=0 | | 8-3v=59 | | 2(x-3)=12-(3x-24)+18 | | 46-2l=443 | | 7x+5y+6z-2x+2z-9y= | | 4x^2+24x-44x=0 | | 8t+4=28 | | 2(4x-9)=5x-4 | | 4.9x^2-4x+2=0 | | 3x+37=11x-34 | | 9-5x/2=4 | | 2x-12=46 | | (x-12)(x+6)= | | 4=3y-2 | | x/2=12/4 | | 6a+6b=5ab | | x^5-3x^2-1=0 | | 2X(lnx)-x=0 | | dt=5+at^2+bt | | 2-9y=-5 | | log(5x-13)=4 | | 9-12y=-2 | | X^2-12x-97=0 | | 6-9y=-5 | | 3y+logx=2log(4y-1) | | 13g-5=11+9g | | 6+7x=18+x | | 6+7x=18x | | 2w+2(2w-4)=64 | | 4*x^3-4*x+5=0 |

Equations solver categories