If it's not what You are looking for type in the equation solver your own equation and let us solve it.
=400+0.8Y-450
We move all terms to the left:
-(400+0.8Y-450)=0
We add all the numbers together, and all the variables
-(0.8Y-50)=0
We get rid of parentheses
-0.8Y+50=0
We move all terms containing Y to the left, all other terms to the right
-0.8Y=-50
Y=-50/-0.8
Y=62+0.4/0.8
| Y=400+0,8y-18 | | 6x+5(4x-4)=188 | | 7x+4(7x-10)=205 | | 3x+5(x+21)=161 | | Y=21+-1.5x^2 | | X=75-y | | 10x-5x=12+6x | | 6x-16=5x+15 | | -x^2=0,4 | | 2x+35=55 | | 4x^2-3x+0.02=0 | | 4x*3x=25 | | 48-x=1/3x | | 1/3x=48-x | | X=6,x= | | 191=7x+2(5x+2) | | 5x+2(3x-11)=66 | | 216=4x+4(3x+18) | | 8x+10=x+1 | | x+1=8x+10 | | x-25+x+25=180 | | 4(y+3)=18 | | X(x+12)=184 | | 10+x|-2=6 | | X*12x-184=0 | | 5/14x=80 | | 4x3-2=8+x | | x+14=3(2+x) | | 13x-37=27 | | (x+2)+(x+4)+(x+6)=180 | | 3x-5=8x+50 | | 3{x+4}=2x-1 |