3(-8+k)+6(1+6k)=21

Simple and best practice solution for 3(-8+k)+6(1+6k)=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 3(-8+k)+6(1+6k)=21 equation:


Simplifying
3(-8 + k) + 6(1 + 6k) = 21
(-8 * 3 + k * 3) + 6(1 + 6k) = 21
(-24 + 3k) + 6(1 + 6k) = 21
-24 + 3k + (1 * 6 + 6k * 6) = 21
-24 + 3k + (6 + 36k) = 21

Reorder the terms:
-24 + 6 + 3k + 36k = 21

Combine like terms: -24 + 6 = -18
-18 + 3k + 36k = 21

Combine like terms: 3k + 36k = 39k
-18 + 39k = 21

Solving
-18 + 39k = 21

Solving for variable 'k'.

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

Add '18' to each side of the equation.
-18 + 18 + 39k = 21 + 18

Combine like terms: -18 + 18 = 0
0 + 39k = 21 + 18
39k = 21 + 18

Combine like terms: 21 + 18 = 39
39k = 39

Divide each side by '39'.
k = 1

Simplifying
k = 1

See similar equations:

| -2r-3(2r+4)=-11r | | -5x=140 | | 3x+17.2x+8x^2= | | 5y^2+31y-28=0 | | 5x+y=11x-2y | | 9c^3-15c-36c=0 | | 5(3x+2)=-125 | | 7-m=35 | | 36v^3+42v^2-540v=0 | | -8t-3= | | 7(1-x)-8x=-83 | | -3(7+-9y)+14y=-21 | | -9(1+3v)=180 | | 8x+x+4x=26 | | 5y-11=17 | | 4(2x+7)=-2(x-14)+2 | | 8*6x=104 | | 0=x^2+19x+84 | | 11y^4*y^2= | | ln(1-x)-ln(2-x)=ln(x+14) | | 2x=x+3-5 | | 9n^2+47n+10=0 | | 6s^2+17s+12=0 | | 3x-4+1=-2x-5+x | | 6x+12=4-(3-2x)-1 | | c+(-5)=-15 | | 425p+6460=10p | | x/7+4=2 | | 5.3+d=2d+4.7 | | 2(5p-7)=-94 | | -4;y/5=-2 | | 2[36(.5-1.1)]=x |

Equations solver categories