n+(n+2)+(n+7)=30

Simple and best practice solution for n+(n+2)+(n+7)=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 n+(n+2)+(n+7)=30 equation:


Simplifying
n + (n + 2) + (n + 7) = 30

Reorder the terms:
n + (2 + n) + (n + 7) = 30

Remove parenthesis around (2 + n)
n + 2 + n + (n + 7) = 30

Reorder the terms:
n + 2 + n + (7 + n) = 30

Remove parenthesis around (7 + n)
n + 2 + n + 7 + n = 30

Reorder the terms:
2 + 7 + n + n + n = 30

Combine like terms: 2 + 7 = 9
9 + n + n + n = 30

Combine like terms: n + n = 2n
9 + 2n + n = 30

Combine like terms: 2n + n = 3n
9 + 3n = 30

Solving
9 + 3n = 30

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + 3n = 30 + -9

Combine like terms: 9 + -9 = 0
0 + 3n = 30 + -9
3n = 30 + -9

Combine like terms: 30 + -9 = 21
3n = 21

Divide each side by '3'.
n = 7

Simplifying
n = 7

See similar equations:

| 28+19u=-8+15u | | 4x+20=-12 | | 25x^2+y^2-300x+875=0 | | 3u+2=2u-11 | | 6a^4(-3a^4+8)=0 | | 4y+11=23 | | -9y=16-2x | | 3d^2+9d+3=0 | | p=14+7d/10 | | 61=4x | | -n^4(8n^3+4)=0 | | 3p/6-15=21 | | 7/10p=21 | | -8u-8=9(u+1) | | 4x^2+3x+5=27 | | 2(h-6)+20= | | 11-7x=91-35x | | 72/27 | | 9r^2-9r=0 | | t/8+5/8 | | 2k(-6k^5+6k+2)=0 | | 3w^2+6w+3=0 | | 6x^3+26x^2-20x=0 | | -5w(w^3-7)=0 | | 2n^2=-5n+12 | | 24x^4+78x^3+60x^2=0 | | 18+4b=22 | | 5x-2=5(x+1) | | 3w(-8w^5-7w+8)=0 | | 4k^2+4k+1=0 | | 16x^2+44x+10=0 | | 16x*2+44x+10=0 |

Equations solver categories