21=22-n

Simple and best practice solution for 21=22-n 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 21=22-n equation:


Simplifying
21 = 22 + -1n

Solving
21 = 22 + -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.
21 + n = 22 + -1n + n

Combine like terms: -1n + n = 0
21 + n = 22 + 0
21 + n = 22

Add '-21' to each side of the equation.
21 + -21 + n = 22 + -21

Combine like terms: 21 + -21 = 0
0 + n = 22 + -21
n = 22 + -21

Combine like terms: 22 + -21 = 1
n = 1

Simplifying
n = 1

See similar equations:

| 6x+12=-58+13x | | 8x+19=91 | | 2(3x+7)=6x+14 | | X^2+200x-6900=0 | | 18+42x=144 | | .66x=1+x | | W+4w+3-2w= | | (2n/5m)^4 | | 4x-4=4x+8 | | x^4-24x^3-25=0 | | .5x-6=-x | | .5(x-1)+2=1.25(x+8)-9.5 | | .75x+.75=x | | (3log36)^2-(3log4)^2:(3log12^1/2)= | | 0.22n-5=2+.55n | | 5x+8=4(3x+1) | | 5x^3-x^2-4x-15=0 | | 3d+2+4d= | | 16(5c-1)-18=78c+16 | | .66x-1=1+x | | 11+8v=75 | | 8g=24/34 | | -.33x+5.33=x | | 1/3•6 | | 2x-1/6-x/3=x+4/18 | | 15x^2-34x-16=0 | | 0=y^2-28y+27 | | x=.75+.25x | | 1x+5=-5x+23 | | 3(3v+v)-15=5v-2v+5 | | .25x+6=x | | 3/4w=48 |

Equations solver categories