9n-18=-21+8n

Simple and best practice solution for 9n-18=-21+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 9n-18=-21+8n equation:


Simplifying
9n + -18 = -21 + 8n

Reorder the terms:
-18 + 9n = -21 + 8n

Solving
-18 + 9n = -21 + 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.
-18 + 9n + -8n = -21 + 8n + -8n

Combine like terms: 9n + -8n = 1n
-18 + 1n = -21 + 8n + -8n

Combine like terms: 8n + -8n = 0
-18 + 1n = -21 + 0
-18 + 1n = -21

Add '18' to each side of the equation.
-18 + 18 + 1n = -21 + 18

Combine like terms: -18 + 18 = 0
0 + 1n = -21 + 18
1n = -21 + 18

Combine like terms: -21 + 18 = -3
1n = -3

Divide each side by '1'.
n = -3

Simplifying
n = -3

See similar equations:

| x*x+20x=71 | | 6x+4y+5x= | | xx+20x=71 | | x+20x=71 | | 9(4z-4)= | | 4x+20+52=116 | | 3(c-5)+3=2+c-14 | | 3x+1(x+1)=24 | | 6y-2+52=116 | | 7/3(3w+2)=-21 | | 6y-2=4x+20 | | 3x+7(3x+4)= | | 13-2(2x+1)=1 | | 2-8=A-1+11 | | -16x^2+50=0 | | (8x+14)+(2x-4)=180 | | 7x-3(2-5x)=8x | | 2n^2-16n+23=7 | | 4x^4+12x^2= | | 7x-7=7x-35 | | 7n-150+10n=20n-80-4n | | x(x+4)=196 | | -2x+(-4)=-2x+1 | | x-3x+2x=-3-1+4 | | x^3+3x=14 | | 3x-5+11=17 | | -7q=-37*8-1.6q | | -7q=-37*8-1.6 | | 81x^2-5-20=0 | | 25y^2x^2+40yx^2+16x^2= | | (-3x+y+6)dx+(x+y+2)dy=0 | | 714=(25+4x)(21+2x) |

Equations solver categories