If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-0.2P=312
We move all terms to the left:
-0.2P-(312)=0
We move all terms containing P to the left, all other terms to the right
-0.2P=312
P=312/-0.2
P=-1560
| 17+5g-83=64 | | 9=a/1 | | 2/3n-8=6 | | x+5–10+15=50 | | 0.26c=4.68 | | 19x-2+105=16x+2 | | 4x-6+27=x | | 4-5+y=50 | | 4x-5=x+40 | | -28x^2=192 | | -16+5x=7x+28 | | 4+5+x-8=12-5 | | -2.1y=-10.5 | | 93=4w-w | | 5-2n=15 | | 6x-20+4x-2=0 | | 10y^2-15y+10=0 | | n/51/4=2/3 | | 4/5f=1=-13 | | 3|x-7|=27 | | 4+-2x–8=-48 | | -4+-2x–8=-48 | | 18d+d−15d=20 | | 5^-x+4=14^-6x | | 5x-7+x=96 | | 2/8x-2/4=-3/4 | | 14/16h-10/16=2 | | 5x-7+96=x | | 5x-7+96=0 | | (-134n=62n | | 1/3=6/7f | | 5x+424;x=4 |