s-7=21

Simple and best practice solution for s-7=21 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-7=21 equation: 


Simplifying
s + -7 = 21

Reorder the terms:
-7 + s = 21

Solving
-7 + s = 21

Solving for variable 's'.

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

Add '7' to each side of the equation.
-7 + 7 + s = 21 + 7

Combine like terms: -7 + 7 = 0
0 + s = 21 + 7
s = 21 + 7

Combine like terms: 21 + 7 = 28
s = 28

Simplifying
s = 28

See similar equations:

| 43-18=5(x-2) | | v^2+17v+24= | | 7x-5x=36 | | 11x-4=6x+1 | | p/7+8=5.9 | | 5x+18=4x+18 | | 4=-0.8n | | 8=3(12w-4)+8 | | x+23+3x=-21-3x-26 | | I=P(1+rt) | | -7d+9=3a+49 | | 2x+3x=85 | | 2x-10=3x-10 | | 6x-2=5(3-2x) | | 24-6x=16+2x | | 7.2f+5(f-8.1)=-.06f+15.18 | | x^2+8-7=0 | | 4x-4=5x+9 | | 10x-7x+9-6= | | 6x-15+x+8=168 | | 3(4c+8)=24 | | 2f+4=10 | | .29e=9.39-.01e | | x^2+6x+16= | | 12(x-6)=-6-6 | | 6.3+2.9= | | 5m-3=-3m+5 | | 57=3x-45 | | 0.1c=.2(c+2) | | 13-30= | | 40=x+3x | | w-8+=26+ |

Equations solver categories