7(3n-3)=(3n+9)+6

Simple and best practice solution for 7(3n-3)=(3n+9)+6 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 7(3n-3)=(3n+9)+6 equation:


Simplifying
7(3n + -3) = (3n + 9) + 6

Reorder the terms:
7(-3 + 3n) = (3n + 9) + 6
(-3 * 7 + 3n * 7) = (3n + 9) + 6
(-21 + 21n) = (3n + 9) + 6

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

Remove parenthesis around (9 + 3n)
-21 + 21n = 9 + 3n + 6

Reorder the terms:
-21 + 21n = 9 + 6 + 3n

Combine like terms: 9 + 6 = 15
-21 + 21n = 15 + 3n

Solving
-21 + 21n = 15 + 3n

Solving for variable 'n'.

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

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

Combine like terms: 21n + -3n = 18n
-21 + 18n = 15 + 3n + -3n

Combine like terms: 3n + -3n = 0
-21 + 18n = 15 + 0
-21 + 18n = 15

Add '21' to each side of the equation.
-21 + 21 + 18n = 15 + 21

Combine like terms: -21 + 21 = 0
0 + 18n = 15 + 21
18n = 15 + 21

Combine like terms: 15 + 21 = 36
18n = 36

Divide each side by '18'.
n = 2

Simplifying
n = 2

See similar equations:

| 25y^3+15y^2=0 | | logx=0.27 | | 248=(4xn)+8 | | 24x^2-6x+2=0 | | -5n-7=18 | | (4+8i^2)-(4-8i)=0 | | 10+19b+7b^2=0 | | 6(2x-5)(2x+5)=0 | | 35n^2+16n-64=0 | | x^5-2x^3+x^2-2= | | 4x^2+92x+520=1512 | | q^2=0 | | 3-(-9)=x | | 0.6=y-(-4.5) | | d+81=9d-7 | | x^2+x-6=36 | | 5y=20-6x | | 2(5x+9)+2=10x+2 | | -30+13x+3x^2=0 | | s/3-0.6=1.2 | | y=5x^2-20x-25 | | (7)(-8)+6=x | | 5(4q+2)=3(5q+4) | | 2x*x+x-21=0 | | 15x^2-18x-3=0 | | x^2-2x+15= | | -(-25)-15=x | | x+.06(x)=10 | | 5x-4(x-1)=8x+25-6x | | 2a(4a-1)(3a+9)=0 | | x+4=9x-24 | | 3x+33=8x+8 |

Equations solver categories