-12=9-3n

Simple and best practice solution for -12=9-3n 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 -12=9-3n equation:


Simplifying
-12 = 9 + -3n

Solving
-12 = 9 + -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.
-12 + 3n = 9 + -3n + 3n

Combine like terms: -3n + 3n = 0
-12 + 3n = 9 + 0
-12 + 3n = 9

Add '12' to each side of the equation.
-12 + 12 + 3n = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 3n = 9 + 12
3n = 9 + 12

Combine like terms: 9 + 12 = 21
3n = 21

Divide each side by '3'.
n = 7

Simplifying
n = 7

See similar equations:

| 10x+20+6x-6=70 | | 6y-24=-4(y-4) | | 5+65x=39x+9 | | 3+6k=10+5k | | -x^2-20x+3=0 | | 5x+16=3x+54 | | 7x+10=-5-26 | | 5.4=-log[x] | | 5.4=-lig[x] | | 2c=10-8c | | 6-y=2.3 | | -4j+2m=20 | | h+52=4 | | 3=6x(3x+1) | | 1-2sin^2x+2cosx+1=0 | | -3h=-4h-9 | | x/5+7.3=-5.2 | | 9x^2+12x+4=49 | | 16a-(4a-3)+(5+2a)= | | 1+5w=-5+7w | | 7/8=-4/7y | | -4/7v-7/3=-3/2 | | 2-x=36 | | 4d-10=3D | | -k^2+2k=0 | | (3a+4)(2a-5)= | | X+138+x+58=180 | | 7m=4m+9 | | 3n-25/4=2n | | 4(8-5x)+5=40 | | -y+5=-5+y | | X+131+71+x=180 |

Equations solver categories