s+21=13

Simple and best practice solution for s+21=13 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 s+21=13 equation: 


Simplifying
s + 21 = 13

Reorder the terms:
21 + s = 13

Solving
21 + s = 13

Solving for variable 's'.

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

Add '-21' to each side of the equation.
21 + -21 + s = 13 + -21

Combine like terms: 21 + -21 = 0
0 + s = 13 + -21
s = 13 + -21

Combine like terms: 13 + -21 = -8
s = -8

Simplifying
s = -8

See similar equations:

| 2x+3y=16 | | t^2-7t=7 | | 3p-1=-2(7-2p) | | 7+2[18-2(6-3)+4]= | | 5x^2=38x+63 | | -0.25m-3=5 | | n+4=8 | | 8x-2=7x-5 | | -(x+1)-5=10 | | 7x-140=2x-10 | | 20x+5=24x-1 | | 5(w+2)=3(6+a) | | 5x+10=6x | | 5z+6=6-z | | x^2+8n+15=0 | | 6-10x=81-31x | | -97-10x=10x+23 | | 6x+11=-17-8x | | 3x^2-2=-62 | | 6x+11=-17x-8x | | n+5=8 | | y=12+x | | 117-4x=3x+19 | | (5x+15)+(x+20)+(4x-5)=180 | | 6n^2-18-24=0 | | 4k^2=40k+44 | | 4(r-8)+3=5(r+3)-41 | | x^2+x=8 | | 5x+28=13x-63 | | 40=-2(m+4)+m | | 5x-2=90 | | 4x+6-11=x-8x-5 |

Equations solver categories