3(2k+7)=k-4

Simple and best practice solution for 3(2k+7)=k-4 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(2k+7)=k-4 equation: 


Simplifying
3(2k + 7) = k + -4

Reorder the terms:
3(7 + 2k) = k + -4
(7 * 3 + 2k * 3) = k + -4
(21 + 6k) = k + -4

Reorder the terms:
21 + 6k = -4 + k

Solving
21 + 6k = -4 + k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
21 + 6k + -1k = -4 + k + -1k

Combine like terms: 6k + -1k = 5k
21 + 5k = -4 + k + -1k

Combine like terms: k + -1k = 0
21 + 5k = -4 + 0
21 + 5k = -4

Add '-21' to each side of the equation.
21 + -21 + 5k = -4 + -21

Combine like terms: 21 + -21 = 0
0 + 5k = -4 + -21
5k = -4 + -21

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

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

Simplifying
k = -5

See similar equations:

| 12c-53=91 | | 20x^2+15x-50=0 | | 4(z-1)=2(z+1) | | 6(x+1)=2x+16 | | =16y-3(5y+6) | | -8x^2=5x+6 | | 2(r+5)=r+13 | | 100x^2-120x=-36 | | 3(n-1)=2n | | 2(p+5)=3p | | -8x=5x+6 | | 3+4r+3r=10 | | -16x^2+96x+120=0 | | 2(3x+2)+(2y+1)= | | 0.45(x+1.6)+5x=18 | | 0=5x^2+8x-69 | | 6m-12=12 | | 2x-5=30 | | 0=x^3-5x^2-8x+12 | | y=4x^2-11x-6 | | (Y^3-52y^2)2y=55 | | 11x-156=4x-9 | | -4+2x=-16+17x | | (Y^3-52y^2)2Fory=55 | | 0.7a+.25b+0.5a= | | -9=-8x+5x | | 45-2x=5-7x | | (Y^3-52y^2)2= | | 2x+6=-29-3x | | 5(r+3)=2r-6 | | 25x+30=180 | | 4x+5+5x= |

Equations solver categories