3n-9+4n=8n

Simple and best practice solution for 3n-9+4n=8n 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+4n=8n equation:


Simplifying
3n + -9 + 4n = 8n

Reorder the terms:
-9 + 3n + 4n = 8n

Combine like terms: 3n + 4n = 7n
-9 + 7n = 8n

Solving
-9 + 7n = 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 + 7n + -8n = 8n + -8n

Combine like terms: 7n + -8n = -1n
-9 + -1n = 8n + -8n

Combine like terms: 8n + -8n = 0
-9 + -1n = 0

Add '9' to each side of the equation.
-9 + 9 + -1n = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -1n = 0 + 9
-1n = 0 + 9

Combine like terms: 0 + 9 = 9
-1n = 9

Divide each side by '-1'.
n = -9

Simplifying
n = -9

See similar equations:

| 4-6r=-10r | | 10x^3=2x^15 | | 7x-3(-2x+6w)+9= | | Q(q+8)=0 | | -12=6k+8+4k | | 10+8q=10q | | 8x-5+4x=8x+7 | | 3v+3=6v+19 | | 2=-8n+7n | | -24=5x-3+4 | | 3a+2a-5a+b= | | .25*n=12 | | 7(z-5)+7z-1= | | s-64=9.75 | | M^2-4m=-3 | | 4y+17y=189 | | -35=-3+8n | | 1=a-7+2 | | 8x+40=-7x+55 | | -15n-25=20 | | 9x-7=-43 | | -3a+18+6a=2a-5a | | -x^2+65x-984=0 | | 3(6-5x)=1-(x-8) | | 6y+5=-7y-6 | | 2x^2(q-4p)x-2px=0 | | (2y+5)(3y-3)= | | (2z-5)(z-4)=0 | | 19y+15=129 | | 5-(3x-1)=-2(6x-5) | | 8k+4k=-12 | | 320-7x=243 |

Equations solver categories