81=7k+19+3k

Simple and best practice solution for 81=7k+19+3k 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 81=7k+19+3k equation:


Simplifying
81 = 7k + 19 + 3k

Reorder the terms:
81 = 19 + 7k + 3k

Combine like terms: 7k + 3k = 10k
81 = 19 + 10k

Solving
81 = 19 + 10k

Solving for variable 'k'.

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

Add '-10k' to each side of the equation.
81 + -10k = 19 + 10k + -10k

Combine like terms: 10k + -10k = 0
81 + -10k = 19 + 0
81 + -10k = 19

Add '-81' to each side of the equation.
81 + -81 + -10k = 19 + -81

Combine like terms: 81 + -81 = 0
0 + -10k = 19 + -81
-10k = 19 + -81

Combine like terms: 19 + -81 = -62
-10k = -62

Divide each side by '-10'.
k = 6.2

Simplifying
k = 6.2

See similar equations:

| 500+22h=1204 | | (4/52*4/51)+(4/51*4/52) | | 8(2x+7)+3x-2= | | 10x+99=189 | | 2/5x-3/8=3x-7/10 | | (4/51)*(4/52) | | 10+7b=32 | | (8n-8)(5n+7)= | | h^2+44h-6279=0 | | 8+6x+10=4-x | | 4x+7/6=5x-7/6 | | 13x+18=3(2x+8)+7x-6 | | m=s/60 | | (4/52)*(4/51) | | -3/8(-6-2y)=1/2(2y-3)-1 | | (x)/(x-2)=(2)/(x-2)+3 | | -6q-7=-8q+9 | | 5t+72+8t=17t-28+11t | | 21x^2+x-2=0 | | h^2+18h+78=0 | | 10+7b=1204 | | f(x)=21x^2+x-2 | | 2(3w+7)+2w=86 | | m/4+5=1/2-m | | 8(x+4)+3(x+4)=5x-5 | | 9(x+3)-2=3x+6(4+x) | | 7m=-20+2m | | d+85=2 | | m^2=5-4m | | 2/6+2/3=w/8 | | a+43=16 | | -5n+11-4n+9=n-45 |

Equations solver categories