3n-21=51

Simple and best practice solution for 3n-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 3n-21=51 equation: 


Simplifying
3n + -21 = 51

Reorder the terms:
-21 + 3n = 51

Solving
-21 + 3n = 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 + 3n = 51 + 21

Combine like terms: -21 + 21 = 0
0 + 3n = 51 + 21
3n = 51 + 21

Combine like terms: 51 + 21 = 72
3n = 72

Divide each side by '3'.
n = 24

Simplifying
n = 24

See similar equations:

| 0.875x-0.25+0.75x=0.166+x | | 25x+19=2x+180 | | pq+5p=13 | | 5-(8x-7)=31x-(90+28x)-45 | | 7x+4-4x-3=6 | | 8x+11=47-x | | -6z+9=8z-(-2) | | 2x-61269=2 | | -(x-1)=2+(2x+5) | | -5.61-0.1y=0.1y | | 5+.75x=7.25+.35x | | 19x+7=900 | | 25+.25=35+10x | | 3(2c-3)=15 | | 3(k+3)=6 | | 17x-11=720 | | 5x+9=-12x-5 | | 4(d-2)=8 | | 3x(2x-1)=4-(7x+9) | | 4(X+8)=12 | | 15-2(x-2)= | | 3+(2x-1)=4-(7x+9) | | 13x+19=500 | | 516=33g | | x+2x-7=3x+7 | | -(u-9)+1=4 | | a-0.13=0.58 | | 11x-16=270 | | 5+4X=X+8 | | 14a+(-93)=49+(-57a) | | 9x+12=192 | | 10-5x=-14+(4-x) |

Equations solver categories