3n-9=18

Simple and best practice solution for 3n-9=18 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-9=18 equation: 


Simplifying
3n + -9 = 18

Reorder the terms:
-9 + 3n = 18

Solving
-9 + 3n = 18

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 = 18 + 9

Combine like terms: -9 + 9 = 0
0 + 3n = 18 + 9
3n = 18 + 9

Combine like terms: 18 + 9 = 27
3n = 27

Divide each side by '3'.
n = 9

Simplifying
n = 9

See similar equations:

| -32a-8=-30a | | y+2=16 | | 3x^2+24x+16=0 | | 56x+14=3x+5778 | | y=-x(2)-2x-3 | | 5-7x=77-28x | | 22y= | | -5n(2)=1+12n | | 2n(2)-1=-34 | | 2x(2)+12x=-18 | | x(2)=-2x+63 | | x-3/-2 | | -8n(2)+10n+3=0 | | [-5-i]= | | 4x-13=-9-3(x+9) | | (7+i)+(8+4i)= | | 41-8x=-6x-23x | | -11x=55 | | -13x=117 | | -17+6x=-18x+91 | | -17x+6x=-18x+91 | | (x+5.4)(x-3)=0 | | x-5=3+8 | | 4x=4*3*2 | | 2-5/7=-1 | | 5x-3y+5=2y-5 | | 5x^2+5= | | 8x/5x^2+5 | | (5x+6)(5+x)=0 | | (2t+5)*12=144 | | 8t+5=14 | | 84t=44 |

Equations solver categories