3N-21=30

Simple and best practice solution for 3N-21=30 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 3N-21=30 equation: 


Simplifying
3N + -21 = 30

Reorder the terms:
-21 + 3N = 30

Solving
-21 + 3N = 30

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 + 3N = 30 + 21

Combine like terms: -21 + 21 = 0
0 + 3N = 30 + 21
3N = 30 + 21

Combine like terms: 30 + 21 = 51
3N = 51

Divide each side by '3'.
N = 17

Simplifying
N = 17

See similar equations:

| y^2+11y-45=0 | | 4x-17=8x+6 | | 3k-5s+9= | | w/4-=3 | | 9b-2=2(3b+5) | | 5+55x=33x+11 | | 7x+14-3x=20 | | 35-3x=10-8x | | -5v+6v=0 | | y=4(20+2y)+10 | | 11k+12+5k=-20 | | 30b+44=26-66 | | 8+10x=8+x | | 3c-5d+2c-2d= | | -5b-6=7 | | 45+x=30+2*x | | -8=-6x+2x | | 1x+9=39-5x | | 4[6+(2-3(6))]=2(4-4(6)) | | -4=-n+4+5n | | 7b+7=-49 | | -2=6+a-3a | | 4x^2-100=300 | | 4z-4=40 | | y^3-64= | | =(3x+x-1)+(5x-3x-4) | | 7(2x-5)+3=10 | | 4[x+(2-3x)]=2(4-4x) | | x^2+x+.25=-8.75 | | 5r=3r+2 | | 5.9x+2.6=14.7 | | 20x+30y=75 |

Equations solver categories