n+(2*n)=21

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


Simplifying
n + (2n) = 21

Combine like terms: n + (2n) = 3n
3n = 21

Solving
3n = 21

Solving for variable 'n'.

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

Divide each side by '3'.
n = 7

Simplifying
n = 7

See similar equations:

| x^2+x+5=625 | | n+(2Xn)=21 | | 4h+2h=90 | | .5x+.5=8 | | (-5x)+(-3x)+x= | | 2x-3/4=7 | | 6n/ | | 3/5y-5/2=-5/3 | | 15-m=22-8 | | (-3x)+5x-2x= | | 3w+13xw=10 | | 3[5+2(3x+2)]=207 | | g^2-10g+18=0 | | 3G-y=2g+8 | | (4/x)^3 | | .01x+.1=5.05 | | 296/1000 | | L=3w+13 | | 7+4c=18 | | 3G+y=2g+8 | | -5m-8n+4m-9n= | | Z(a)=5(a+2)-6 | | (-2x)-(-5x)-2x= | | 7x+(36-k)y=6 | | 9=(27x)^2/3 | | -4sinx+5=4cos^2x | | x^2-14x+41=-3 | | S+8=-10 | | .1x+.3x=.6 | | 8n+(-6)=58 | | 27x+7=45 | | (x+yi)2=4i |

Equations solver categories