If it's not what You are looking for type in the equation solver your own equation and let us solve it.
90=0.5y+4.5
We move all terms to the left:
90-(0.5y+4.5)=0
We get rid of parentheses
-0.5y-4.5+90=0
We add all the numbers together, and all the variables
-0.5y+85.5=0
We move all terms containing y to the left, all other terms to the right
-0.5y=-85.5
y=-85.5/-0.5
y=+171
| 40x2-30x=135 | | x+6x=36+3x | | H=-125t2+500t | | 2(1.75-4.25x)-0.5(3x-10)=13.5 | | 2(2u+7=7 | | y=0.5+4.5 | | M=100w+10,000 | | 9(x+5)=3(3x) | | 45=9x+4 | | (2x+1)+x=-1 | | 4c^2-8c-54=0 | | 20=2.5y | | 24+12n=180 | | 10x-15=8x-7 | | 3x+1/2x=56 | | 15x*3-4x^2-4x=0 | | 2x−9=15 | | m2+10m+24=0 | | 7y+3=y+8y | | 2x+4=-7+5x | | 8x^2+8x=-1 | | -9g-3=-3(3g+3) | | -7x^2=35x | | y2+3=y1-4 | | 5x-9+116=180 | | 1/2-1/3(2x+4)-1/4(-8x+6)=0 | | 12n+12=180 | | 3+12x=3(1+4x) | | -5x-6(-3+15)+5=19 | | n+2=-14-n- | | 12x-4x=-7x | | -30x=-14 |