3n-21=2a

Simple and best practice solution for 3n-21=2a 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=2a equation: 


Simplifying
3n + -21 = 2a

Reorder the terms:
-21 + 3n = 2a

Solving
-21 + 3n = 2a

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 = 21 + 2a

Combine like terms: -21 + 21 = 0
0 + 3n = 21 + 2a
3n = 21 + 2a

Divide each side by '3'.
n = 7 + 0.6666666667a

Simplifying
n = 7 + 0.6666666667a

See similar equations:

| 16c-14c=10 | | -5x-7=76 | | 4(x-5)-7=-47 | | 4(x^2+60x-550)=0 | | 3p-4p=14 | | y=mx+2m+5 | | 0.2+10x=25 | | 4(x-5)-7=-42 | | 8j-7j=3 | | 3-2x=19-4x | | w-93=86 | | N/5-3n=1/5 | | 2(2+-4)=16-2t | | x^2+60x-550=0 | | 5x-16=2-x | | 11+3x-7=13 | | 8j-j=14 | | x+5y-3x-2y= | | 67u-2=-4u-584.2 | | x+x+x-6+x-6=64 | | 8(k-4)=40 | | 18j+2j=20 | | -2x-2=-8 | | 6(2+-4)=48-6t | | -2(-6y-u)-3(-u-3y)= | | y-7/10=y-2/8 | | 18d-17d=10 | | 1/3x-14=-56 | | (5x-3y)+(12x+9y)= | | 5(x-3)+10=60 | | 1+2x=15-5x | | 15-4m=19 |

Equations solver categories