(n+5)3=21

Simple and best practice solution for (n+5)3=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 (n+5)3=21 equation:


Simplifying
(n + 5) * 3 = 21

Reorder the terms:
(5 + n) * 3 = 21

Reorder the terms for easier multiplication:
3(5 + n) = 21
(5 * 3 + n * 3) = 21
(15 + 3n) = 21

Solving
15 + 3n = 21

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + 3n = 21 + -15

Combine like terms: 15 + -15 = 0
0 + 3n = 21 + -15
3n = 21 + -15

Combine like terms: 21 + -15 = 6
3n = 6

Divide each side by '3'.
n = 2

Simplifying
n = 2

See similar equations:

| 2=1-n+3 | | 8x+2=2x+2 | | 9b-7b=18 | | -10=n-6n | | 2n-8=2n+6+n | | 2v-6v=-12 | | 8=4b+2 | | 56x*6=678 | | (x-(3+i))(x-(3-i))(x+2i)(x-2i)=0 | | 10u+14u-4=20u+15+3u | | (4x)(3x)=7x | | g+9g=10 | | 10x^2+x=0 | | 2*(x)+5-6*3=15 | | 2+(x)+56*3=15 | | 2*x+5-6*3=15 | | p+4(2p-3)-(6+p)=46 | | .25(6a+1.5b)=0 | | 2034+6*2-x*3+12-24=11688 | | 4(-4-8m)+28m+24m+4m=-272 | | 2+3+x=10 | | 3n+4d=40 | | 12t-12=6 | | 8=-6+2y | | 10x^2+x=5 | | y=-x^2-8x-20 | | -2(-10x-4)+4=0 | | 2=3v+5 | | 10k^2=34k-12 | | 35x^2+14x=0 | | 0=x^2+6x-99 | | 30x-22=0 |

Equations solver categories