21+7k=7(3+k)

Simple and best practice solution for 21+7k=7(3+k) 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 21+7k=7(3+k) equation: 



21+7k=7(3+k)

We move all terms to the left:

21+7k-(7(3+k))=0

We add all the numbers together, and all the variables

7k-(7(k+3))+21=0



We calculate terms in parentheses: -(7(k+3)), so:

7(k+3)

We multiply parentheses

7k+21

Back to the equation:

-(7k+21)



We get rid of parentheses

7k-7k-21+21=0

We add all the numbers together, and all the variables

=0

k=0/1

k=0

See similar equations:

| x^2+4x-2880=0 | | 2+-0.625k=9 | | p-65=86 | | -7x-3x+10=-8x-8 | | f-3=14 | | 5(y-7)-8y=-14 | | 2(3x+9)=5+6x | | 4.9t^2+6t+2.5=0 | | 2/3w+24/3=3w-6 | | 26=8=v | | 24+(n/4)=10 | | -5(5v-6)+8v=-123 | | 17x+12=36-7x | | 5(4c+1)-2c=-13 | | 15x=8/5 | | 12a+15=35+2a | | 5x−11x=36 | | y2+4.891y-5.8940=0 | | 8=-4(a-6)-4(-6a-1) | | -7x-3x+10=8x-8 | | c-10=-7 | | 2(4x+2)=4x12(x-1) | | 7(n-5)(n+4)=0 | | ((3+y)/2)=6 | | x+5/3=8/5 | | 0=a/15 | | 11-x=3x+3 | | -7b+4(2b-3)=18 | | 27+y=42 | | -3(4n+5)=17-4n | | r-2=96 | | 4(z+3)-4=8(1/2z+1) |

Equations solver categories