21s+1=20s+8

Simple and best practice solution for 21s+1=20s+8 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 21s+1=20s+8 equation:


Simplifying
21s + 1 = 20s + 8

Reorder the terms:
1 + 21s = 20s + 8

Reorder the terms:
1 + 21s = 8 + 20s

Solving
1 + 21s = 8 + 20s

Solving for variable 's'.

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

Add '-20s' to each side of the equation.
1 + 21s + -20s = 8 + 20s + -20s

Combine like terms: 21s + -20s = 1s
1 + 1s = 8 + 20s + -20s

Combine like terms: 20s + -20s = 0
1 + 1s = 8 + 0
1 + 1s = 8

Add '-1' to each side of the equation.
1 + -1 + 1s = 8 + -1

Combine like terms: 1 + -1 = 0
0 + 1s = 8 + -1
1s = 8 + -1

Combine like terms: 8 + -1 = 7
1s = 7

Divide each side by '1'.
s = 7

Simplifying
s = 7

See similar equations:

| 21s+1=20s+s | | 8n^2-8n-160=0 | | 1-2n=n+7 | | 2/5-15=5/8-16 | | 1-2*n=n+7 | | 2x+4y+3z-12=0 | | 300+0.05y=600+0.01y | | 9h+7=h+159 | | x^2-2n-3=0 | | 34l+3=15l+60 | | -6x+5=29 | | -4z-7=-19 | | (m-3)x^2+(5-m)y^2=2m | | x^2-2n-11=-8 | | 2x-24=3x+21 | | 14q-15=6a+57 | | 986186/986186(0.05)2 | | 12/sqrt5 | | 3x^2+4y^2-24x+16y+16=0 | | (y-1)/2=(y+5)/4 | | 7(x-4)+2=2(x-4)-2 | | 19r-37=5r+5 | | (x-15)+(x-11)+(x-10)=x | | 9x^2+3=20 | | 17k+13=4k+208 | | (x+2)+3=2x | | 9x-4=x+2 | | 3x+4.(x+6)=10x+12 | | 5z^2+14z=0 | | 75+x=180 | | em=7x-1 | | 15n-33=6n+3 |

Equations solver categories