9-7n+4n=21-84

Simple and best practice solution for 9-7n+4n=21-84 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 9-7n+4n=21-84 equation: 


Simplifying
9 + -7n + 4n = 21 + -84

Combine like terms: -7n + 4n = -3n
9 + -3n = 21 + -84

Combine like terms: 21 + -84 = -63
9 + -3n = -63

Solving
9 + -3n = -63

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + -3n = -63 + -9

Combine like terms: 9 + -9 = 0
0 + -3n = -63 + -9
-3n = -63 + -9

Combine like terms: -63 + -9 = -72
-3n = -72

Divide each side by '-3'.
n = 24

Simplifying
n = 24

See similar equations:

| Log(20-5x)=1 | | 5x+3=4x-15 | | (20-5x)=1 | | 2m-5=-5m+3 | | 2z-2y=-2 | | 3a+b=180 | | 2x+y=1900 | | 5p+7=3p+11 | | (3/4x-8)2 | | (26-2x)=1 | | 1/6m=13 | | 5a-18=-3 | | 1/2x=3/12 | | 3(X+2)+5(X+1)=25 | | 2p=12+p | | 70068/99= | | 99*500= | | X^3ydx+(3x^4-y^3)dy=0 | | 3(x-5)=15+x | | 9=-5x+14 | | 3(8+a)+10(6+3a)= | | x^5=0.5 | | (-5a-10)/5 | | 3(2x-1)-4(4x+2)=0 | | X-235/25=-1.2816 | | 3X/4.5=1/8 | | 10x+3y+2z-3y= | | 28-4x-20=-4 | | x-4+8x=60 | | 3-7n+5n=7-52 | | 1.6x+0.25(16-x)=0.26(-16) | | x=5+3x |

Equations solver categories