8(100-k)+10k=840

Simple and best practice solution for 8(100-k)+10k=840 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 8(100-k)+10k=840 equation:


Simplifying
8(100 + -1k) + 10k = 840
(100 * 8 + -1k * 8) + 10k = 840
(800 + -8k) + 10k = 840

Combine like terms: -8k + 10k = 2k
800 + 2k = 840

Solving
800 + 2k = 840

Solving for variable 'k'.

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

Add '-800' to each side of the equation.
800 + -800 + 2k = 840 + -800

Combine like terms: 800 + -800 = 0
0 + 2k = 840 + -800
2k = 840 + -800

Combine like terms: 840 + -800 = 40
2k = 40

Divide each side by '2'.
k = 20

Simplifying
k = 20

See similar equations:

| 7(9+-2x)=9(7x-2) | | 16x^2-11x+26=0 | | 9c-36= | | (x+y)dx+(x-y)dy=0 | | 7(5-4)+3x=4(x+2) | | -13-7x=9x-11 | | 12x+7=-4x+9 | | -15=-5y | | 8x+4/2=4x-2/3 | | 15/3-7x=9+5x | | 27-6d=7+4 | | 57/9+48/9 | | 15-10=6x-(x+2)+(-x+3) | | (4x-1)-(x-3)= | | .33a-.75=6 | | (x+2)(x-3)=(x+3)3 | | 3x-2=5(1-9x^2)^1/2 | | 2n+8=-32 | | (3x-11)+(-4+1)= | | 10^5x10^-7/10^2 | | -3x-2x-10=10 | | -9(v+3)=-2v+15 | | a+a+a/3+2=100 | | 6x-(4x+9)=5x-36 | | 6x^2+10xy-4x^2=0 | | 2x^3-7x^2+2x+3=0 | | 234x^2-12x-24=0 | | 4(6y-5)=23-3(8y+1) | | 6x^2+8x-9.5=0 | | -x+16x-2=0 | | 10/40-20x | | y=x*2-4x-12 |

Equations solver categories