If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y-0.8y=40
We move all terms to the left:
y-0.8y-(40)=0
We add all the numbers together, and all the variables
0.2y-40=0
We move all terms containing y to the left, all other terms to the right
0.2y=40
y=40/0.2
y=200
| 5(x-4)=2x-14 | | 113.04=3.14*x | | x+38=2x-7 | | (1/8)^5x=32x+8 | | 28.26=3.14*x | | 1/10^n=10000 | | O.66=r | | 14=5+d | | 12=10+u | | 1=1+u | | 13+p=18 | | 13=p=18 | | 17+u=28 | | 19q+q=23 | | 350=100n+50 | | 3/5n+4=10 | | 1/5n-10=10 | | 16.3-0.2x=7 | | F(-8)=3x-5x | | 4(6x-5)=31 | | 2/t=80/150 | | 41.50+3x=48.40 | | 3x+41.50=48.40 | | 3/8=45/w | | x/2=4/x-1 | | Z=-8-7i | | x+.0725x=25 | | y=2^2+4 | | y=2+4+20 | | 21x+4=15 | | 21n=17 | | -5(5x+7)=10x+12 |