If it's not what You are looking for type in the equation solver your own equation and let us solve it.
s-21=7
We move all terms to the left:
s-21-(7)=0
We add all the numbers together, and all the variables
s-28=0
We move all terms containing s to the left, all other terms to the right
s=28
| 5(x+9)+16=82,x= | | 8(y-1)-3y=62y-6 | | 6(x+20)=1686(x+20)=168 | | 6+(x-10)=5 | | 4u=42-3u | | 6h−1=3 | | 5n=4-8n=5 | | 68=p+5 | | -3.4n–13.98=-13.98–3.4n | | 7k–k=12 | | 7/3u-2/5u=1 | | x+0.15x=150 | | 2n+2n+2+2n+4=80 | | r+-531=75 | | 13r+3.2=-367.3 | | 2(u+7)-8=20 | | 2(3x-7)=2(x+1) | | 5=2/5-8/y | | r-933=-597 | | 3x-2(2x+5)=4x-3 | | -20+11g=9+13g+11 | | 4(n+1)=2(n+18) | | -(x-7)=5x-7 | | h+21=25 | | 6y=4y-4 | | 7b+7=5(b-3) | | (x-8)/(5)=(2)/(4) | | s+3/1=3 | | 380−20d=160 | | -27+6=3(y-3) | | x^2-12x^2+4=0 | | 5a=3-3a=-7 |