5n=8n-21

Simple and best practice solution for 5n=8n-21 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 5n=8n-21 equation: 


Simplifying
5n = 8n + -21

Reorder the terms:
5n = -21 + 8n

Solving
5n = -21 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
5n + -8n = -21 + 8n + -8n

Combine like terms: 5n + -8n = -3n
-3n = -21 + 8n + -8n

Combine like terms: 8n + -8n = 0
-3n = -21 + 0
-3n = -21

Divide each side by '-3'.
n = 7

Simplifying
n = 7

See similar equations:

| -54=-6(6x+3) | | .20x+.50(120)=.40(x+120) | | -19+b=31 | | 2a+5+a+3=148 | | -4x^4+2x+4=0 | | 6(n-3)=0 | | 25x^2-40x+16=64 | | -10=-14y+14y | | 6x+18=3x+51 | | x/5-17=3 | | r-4-7r=2 | | (1/4)(y+3)=7 | | 4x+2(-5x-5)=26 | | 15x-22=x+104 | | (3x-5y)(6x-7y)= | | 3-5r-8=10 | | (x^2-14x+49)5=90 | | 2x+3x+5-1=9 | | 4a^2-9a-9=0 | | 27=v+-5 | | 10x-8=x+19 | | 3n=2n+8 | | (-21x/7)-5x=24 | | 10x-8=x+10 | | 2x^2+8=106 | | 114-6x=39x+19 | | -25=5(-a+2) | | 8x^2+3x=3x^2-4x+6 | | -6a+4b=12 | | x(x+5)=74 | | 24x^2-12x-92=0 | | (3a-1a)+7-3a= |

Equations solver categories