3n-8n=-21

Simple and best practice solution for 3n-8n=-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 3n-8n=-21 equation: 


Simplifying
3n + -8n = -21

Combine like terms: 3n + -8n = -5n
-5n = -21

Solving
-5n = -21

Solving for variable 'n'.

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

Divide each side by '-5'.
n = 4.2

Simplifying
n = 4.2

See similar equations:

| 7+n-3-2n=35 | | 24+13+16+3+x=4 | | 2r-14+10=-9+2r | | 430=50t+80 | | 2sen^2+senx=1 | | x^8y^6z^2= | | 15+16v=-5v-11+19v | | -.33x^2+38.28x+5861.32=6628 | | 5-2(x+6)=14-5x | | -9(8-4a)=15 | | x^2y^4z^6= | | 15-8b=-18-6b-7 | | x+16.5=28.4 | | x^2+y^2+z^2=2n | | -4-2+3=8g-12 | | 5x+2+7x=27 | | 2(y+1)=7-x | | x-4.75=1.75 | | -9-17q=-17q-3-6 | | (4n-4)/(2n-1) | | 2(c+1)=7-y | | 5.75+x=12.82 | | -1.738x^2+38.528x+384.032=560 | | 2.5(x/0.2-x) | | 2x/(0.48-x)=7 | | 10+5f-20f=18-16f | | 4n-4/2n-1 | | -8(3+4K)-(5k-6)= | | 136=6n-2 | | X-1/2-1=x-2/3 | | 5(3x-6)-4(x+2)-18x= | | -15-10h+5=-10-10h |

Equations solver categories