3+8n=21

Simple and best practice solution for 3+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 3+8n=21 equation:



3+8n=21
We move all terms to the left:
3+8n-(21)=0
We add all the numbers together, and all the variables
8n-18=0
We move all terms containing n to the left, all other terms to the right
8n=18
n=18/8
n=2+1/4

See similar equations:

| 4(5x+5)=24x+12 | | x=2.5x-22.5 | | 8y-7=3y-7+5y | | 20x+(100-x)(30)=2350 | | -6+4(1+3)=9+3x | | 6u+40=u | | 160*x=3200 | | 16=-4x-20 | | 5x+2.5=6x | | 1.2x+2.8=1.6x+2.4 | | 7h=-(2h-18$ | | 21=13r+5 | | 25+-13g=-12g | | 2/3h−1/3h+11=8h= | | 8=a/5-3 | | 11v=49v+4v | | 3m+101-4m-33=08-16m-100 | | -73x-1=5 | | 8(x-3)=3(24x) | | 10x+92-38x=70x-10+2 | | -25=-16t^2 | | 40d-1=60d | | 41x+96x=1297 | | 4(x+1)=3x+11 | | 5-6x=2-5 | | 40d-1=69d | | x/0.5714285714285714‬=28 | | 9-2v=-3 | | -28+4n=5(1+3n) | | 0=25-16x^2 | | 16+11x=96+x | | -28+4n=5(1+3n |

Equations solver categories