If it's not what You are looking for type in the equation solver your own equation and let us solve it.
=S-0.15S
We move all terms to the left:
-(S-0.15S)=0
We add all the numbers together, and all the variables
-(+0.85S)=0
We get rid of parentheses
-0.85S=0
S=0/-0.85
S=0
| r+10=27 | | 2.5b=11/4 | | 4=-4/5m | | 76=2(q+90) | | -2x-35=43-5x | | v/4-2=-1 | | 7^3x=5^2x | | 8x+4=2(4x-3 | | 3x+9+2x=3(2x+4) | | 3(x-4)+6=13 | | p-19=26 | | 5x-5-1+x=2x | | 3x+9+2x=3(2x+4 | | 415=15y+20(y+5) | | 1/3+2/5x+3/4=21/2 | | 10+4x+3+2=x-2-4 | | 6d+7=4d+9 | | 7(2x+6)=132 | | 4(z+1)-2z=-8 | | 2.75x=0.35x+1200 | | 0.7×n=0.042 | | 7n+5=5÷8 | | y=5×8/9+2 | | n-1=-n-7 | | 5/9x+9=4/9x | | 5^2x=77 | | 3y=-y+16 | | 100=x^2-2x+1 | | 2x-10=-3x+5x+10 | | x^-2-4x^-1-5=0 | | x-9+4x=21 | | (6-t)/(2t+9)=-2 |