5k+7(k-3)=-105

Simple and best practice solution for 5k+7(k-3)=-105 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 5k+7(k-3)=-105 equation:


Simplifying
5k + 7(k + -3) = -105

Reorder the terms:
5k + 7(-3 + k) = -105
5k + (-3 * 7 + k * 7) = -105
5k + (-21 + 7k) = -105

Reorder the terms:
-21 + 5k + 7k = -105

Combine like terms: 5k + 7k = 12k
-21 + 12k = -105

Solving
-21 + 12k = -105

Solving for variable 'k'.

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

Add '21' to each side of the equation.
-21 + 21 + 12k = -105 + 21

Combine like terms: -21 + 21 = 0
0 + 12k = -105 + 21
12k = -105 + 21

Combine like terms: -105 + 21 = -84
12k = -84

Divide each side by '12'.
k = -7

Simplifying
k = -7

See similar equations:

| 250,000/1+0.08 | | 14x=10x-40 | | -17=6b+4+b | | 4/3+2/3x=34/15+8/5x+2/5 | | -3b-5=10 | | 3(2n-6)+10=5n-8 | | -abs(x+7)-3=-13 | | 11=-1n+4-6n | | .75x+.25x=6 | | 11x-7[9x-2]+8x-10=-44x+4 | | 3a+0= | | 0.4(0.1x+0.1)=-0.8 | | 9/5+5y=10y-1/5 | | 4y=y-18 | | 7B+5B-8B=3 | | x/4-1=3x/8 | | 3x^4-2x^2+15x-10= | | 15/8+1/5t=3 | | -7/9*35/108 | | a+(-5a)= | | 7z=18-2z | | 4/5+4y=7y-1/5 | | 2/(x-4)(x+1) | | 500=45s+35(12-5) | | 4.9d+4.4=19.1 | | -7/9(35/108) | | 2x/8-1=3x/8 | | 0.6(6x+8)=1.9-(x-3) | | 7/2x+1/2x=3x+35/2+9/2x | | 5x-(2x+8(4*6))=6x | | 180=(48+x)+x+4x | | 3r^2+11r+8=0 |

Equations solver categories