3n+9=8n-16

Simple and best practice solution for 3n+9=8n-16 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=8n-16 equation:


Simplifying
3n + 9 = 8n + -16

Reorder the terms:
9 + 3n = 8n + -16

Reorder the terms:
9 + 3n = -16 + 8n

Solving
9 + 3n = -16 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
9 + 3n + -8n = -16 + 8n + -8n

Combine like terms: 3n + -8n = -5n
9 + -5n = -16 + 8n + -8n

Combine like terms: 8n + -8n = 0
9 + -5n = -16 + 0
9 + -5n = -16

Add '-9' to each side of the equation.
9 + -9 + -5n = -16 + -9

Combine like terms: 9 + -9 = 0
0 + -5n = -16 + -9
-5n = -16 + -9

Combine like terms: -16 + -9 = -25
-5n = -25

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

Simplifying
n = 5

See similar equations:

| 0.5(4x+8)=1.1-x-3 | | x=2y-x/y | | 0.60+0.05(14-x)=0.10(73) | | 8x-2x-10= | | b+17=62 | | -3x+15y=-95 | | 0.7x=0.42 | | 18s^2-33sw+14w^2= | | 3w+8+-3=-2+2w+4+w+3 | | 9*k=81 | | 9n-9= | | 12.0m/5H=v | | 5x^2+47=0 | | (x)(x)(x)(x)= | | 50=3(s+16)+-2(s+-2) | | 3.7x-9.2=12.5 | | 2/5x=x-18 | | 12+2x-x=9x-16 | | .10x(x+100)+.10x=11 | | H/11=12 | | 1048x^2-80x-1080=0 | | (2h-3)h=35 | | 10x+4=2x-16 | | 38m/1.7s=V | | (180-(6x+14)-(3x+22))+(8x+48)=180 | | 3n-5=64n+56 | | 8x-4+2x+48=180 | | 2n-8=-20 | | 5x+20=3(x-4) | | 10a^3-4a^2=0 | | 12(x+5)=3(4x+1)+57 | | 15x+y=90 |

Equations solver categories