3(2n+3)=2n+21

Simple and best practice solution for 3(2n+3)=2n+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 3(2n+3)=2n+21 equation:


Simplifying
3(2n + 3) = 2n + 21

Reorder the terms:
3(3 + 2n) = 2n + 21
(3 * 3 + 2n * 3) = 2n + 21
(9 + 6n) = 2n + 21

Reorder the terms:
9 + 6n = 21 + 2n

Solving
9 + 6n = 21 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
9 + 6n + -2n = 21 + 2n + -2n

Combine like terms: 6n + -2n = 4n
9 + 4n = 21 + 2n + -2n

Combine like terms: 2n + -2n = 0
9 + 4n = 21 + 0
9 + 4n = 21

Add '-9' to each side of the equation.
9 + -9 + 4n = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 4n = 21 + -9
4n = 21 + -9

Combine like terms: 21 + -9 = 12
4n = 12

Divide each side by '4'.
n = 3

Simplifying
n = 3

See similar equations:

| (X-2)square+9=18 | | 3(6x+2)=8(2x-2) | | -16x+6x=2(-11-6x) | | 5n^2+4n-9=0 | | q^2+17q+35=0 | | f=(-2) | | b+329+b=675 | | q*1/2=1/10 | | 5c+14=8c-1 | | (g)=4 | | 40=X+(.07X) | | 5f^2-18f+9=0 | | -36x+20x=4(-6-5x) | | 2x^2+5x-10=x^24 | | 7u=2u+20 | | 7x+11=6x+20 | | 4(d+1)=d+10 | | (2x+1)+85=90 | | 2=9+2b | | 2(2x+2)=14 | | R*5/6=5 | | 2z(5z-3)=10z(2)-48 | | 13x+16-9x=-56-4x | | y=12q^2-3q+10 | | 8x+3=3x+39 | | 7*9=(7*10)-(7*2) | | 6m+4=7 | | 4(x-8)+6=4x-17 | | -7=2f-3 | | 9m-12=2m+7 | | 122x+65=2 | | N/36=2 |

Equations solver categories