5n+9-2n=21

Simple and best practice solution for 5n+9-2n=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 5n+9-2n=21 equation: 



5n+9-2n=21

We move all terms to the left:

5n+9-2n-(21)=0

We add all the numbers together, and all the variables

3n-12=0

We move all terms containing n to the left, all other terms to the right

3n=12

n=12/3

n=4

See similar equations:

| 8x-4x+136=8x+64 | | 1+7v=5+8v | | 0=100-2g | | 4x−5+6x=20 | | 4-5x=-7x-8 | | x²+21x-154=0 | | 4(0.5x+3)=3x+12-3 | | -10x+8=-122 | | 5m+8=14-3mm= | | 10x+20x+7=-33 | | 3x+1+46=180 | | 0.6x−0.1×x=12 | | 5(4)^x=68 | | Y=2x^2+122x+18 | | 6n-4+4n=6 | | −78k=−21 | | (5)4^x=68 | | x*15/100=25,5 | | 2x-9+47=180 | | 8+4d-3d=10 | | 11(12+-1.333333333y)-20y=28 | | 25=3x+13x= | | (7x-2)=(4x+49) | | 0.11+15.19+3(x)=15.94-0.09 | | x-8=13+4x | | 1/2=25z | | 2008=7.36x-14354.33 | | X+3x+12=2(2x+5) | | 16=64-32tt= | | 44+4x=104 | | 5g-5=(2g-20) | | 0.11+15.19(x(3))=15.94-0.09 |

Equations solver categories