3(-9-4n)-4=8n-9(n+12)

Simple and best practice solution for 3(-9-4n)-4=8n-9(n+12) 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 3(-9-4n)-4=8n-9(n+12) equation:


Simplifying
3(-9 + -4n) + -4 = 8n + -9(n + 12)
(-9 * 3 + -4n * 3) + -4 = 8n + -9(n + 12)
(-27 + -12n) + -4 = 8n + -9(n + 12)

Reorder the terms:
-27 + -4 + -12n = 8n + -9(n + 12)

Combine like terms: -27 + -4 = -31
-31 + -12n = 8n + -9(n + 12)

Reorder the terms:
-31 + -12n = 8n + -9(12 + n)
-31 + -12n = 8n + (12 * -9 + n * -9)
-31 + -12n = 8n + (-108 + -9n)

Reorder the terms:
-31 + -12n = -108 + 8n + -9n

Combine like terms: 8n + -9n = -1n
-31 + -12n = -108 + -1n

Solving
-31 + -12n = -108 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-31 + -12n + n = -108 + -1n + n

Combine like terms: -12n + n = -11n
-31 + -11n = -108 + -1n + n

Combine like terms: -1n + n = 0
-31 + -11n = -108 + 0
-31 + -11n = -108

Add '31' to each side of the equation.
-31 + 31 + -11n = -108 + 31

Combine like terms: -31 + 31 = 0
0 + -11n = -108 + 31
-11n = -108 + 31

Combine like terms: -108 + 31 = -77
-11n = -77

Divide each side by '-11'.
n = 7

Simplifying
n = 7

See similar equations:

| Y-4.7=8.3 | | (5x)(2x)=(5x+40) | | -6(8-4)= | | 2a+9=4a-3 | | 18X-47=6X-12+37 | | h=-16t^2+1250 | | -2x=x-21 | | 8a-8=5a-2 | | 2(6x-3)=90 | | 192+64x=96x | | 6(3x-7)-5=6(X-2)+37 | | 9x^8-11x^6+19x^5= | | 0.5x^2+9x-2.8=0 | | 6(4x-3)=-6 | | x+6/x=7/4 | | 4/19=2x/57 | | 7+6m=2 | | 18x+15=18x-15 | | 15x=-13+14x | | x^3+2x^2-3=0 | | 13/27=x/216 | | 5+2n-1=7n+12-4n | | x/16=154/224 | | 15x=-13+14 | | 3(s+1)-8=5(s-3) | | -5(1-5p)+5(-8p-2)=-4p-8p | | 2x+2=6x-22 | | 9x^2-16x-64=0 | | b+6a= | | -5(1-5p)+5(-8x-2)=-4p-8p | | 9x^2-16x-6=04 | | -4(t-2)+9t=8t-3 |

Equations solver categories