If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X-0.2X=225
We move all terms to the left:
X-0.2X-(225)=0
We add all the numbers together, and all the variables
0.8X-225=0
We move all terms containing X to the left, all other terms to the right
0.8X=225
X=225/0.8
X=281+0.19999999999999/0.8
| x+0.1*x=36850 | | 12x+5x-165=-12+65 | | 2(x−5)=16 | | -12x+5x+165=12x+65 | | -5x^2-12x-4=0 | | 5×=-7x=-8 | | 15x+25=8x-16 | | 5x-5x+165=12x+65 | | 2.2(0.16m+3)=0.352m+6.6 | | X2+14x-1=0 | | -8x-6+x8=-31+3x-7 | | -8-6+x8=-31+3x-7 | | 5c+9=29 | | (x−9)(2x+3)=0 | | x+x=42=180 | | x=104.1 | | (4x)³=1728 | | h/5+8=9 | | x+10+50=180 | | x=45x+1 | | 5v=240 | | k-508=-299 | | 7.3x-9.8-8.34x=2.8 | | d-861=74 | | d-291=85 | | d-291=75 | | -(5y+2)-(4y-7)=2 | | 413=n-371 | | y/13=22 | | 16t=912 | | b+95=955 | | -992=-31p |