8n-21=51

Simple and best practice solution for 8n-21=51 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 8n-21=51 equation: 


Simplifying
8n + -21 = 51

Reorder the terms:
-21 + 8n = 51

Solving
-21 + 8n = 51

Solving for variable 'n'.

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

Add '21' to each side of the equation.
-21 + 21 + 8n = 51 + 21

Combine like terms: -21 + 21 = 0
0 + 8n = 51 + 21
8n = 51 + 21

Combine like terms: 51 + 21 = 72
8n = 72

Divide each side by '8'.
n = 9

Simplifying
n = 9

See similar equations:

| 10x-1=6-6x | | 2(4x+10)=108 | | x^2-11+30=0 | | q^2-144=0 | | 71-5x=31x+19 | | -5(-1+1x)=-55 | | 106-3x=3x+16 | | 2(6x+5)=-50 | | 12(2x+3)-3(8+7x)=0 | | -53-7x=83-28x | | 7(-x+4)+16=5x-(10x-6)-6 | | 25(3x-8)=100 | | 6(+5)=2f-8 | | -9x+2(4x+12)=4(1-3x)-13 | | 9n-3=7(n+3)2n | | 7n=9(n+4) | | 90-2x=10-10x | | -6(7x-1)=-8x+9(-3x-4) | | -9+2x-4x=7 | | 8x+16=0 | | 4r(11r+7)=0 | | 5x-1=-56 | | 11+3(-8+5x)=16x-5 | | 7b=b-42 | | 3xz+4xy-3z-4y= | | -2-2x=14 | | x+x+2+2x=-2 | | 7(2+2x)=4(-x-10) | | 8b-5b=3 | | 3x-9x+7-3=-8 | | 3x-2=12x-36 | | 3x^2+20x+1=8 |

Equations solver categories