If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f in (-oo:+oo)
f/45-(2/9) = 4.5 // - 4.5
f/45-(2/9)-4.5 = 0
f/45-2/9-4.5 = 0
1/45*f-4.72222222 = 0 // + 4.72222222
1/45*f = 4.72222222 // : 1/45
f = 4.72222222/1/45
f = 212.50002115
f = 212.50002115
| -18=-7w-6 | | -12y-24=24 | | B/19-4b/19=15/19 | | -5[2-w]=10 | | 3x-4?=7 | | (5+k)=8 | | X-(3/4)=2x+(1/8) | | 8p=9p-8 | | v=aqj | | 9-5x=0 | | 0=-3y-21 | | b+3/2b+(b+45)+2b-90+90=540 | | 8e^3x=31 | | 5y-7-2y+3=0 | | -27=72+9w | | 2x-5(x-2)=-8+3x-24 | | 27=x+2x | | 1/6x6 | | 1/3(-2n-5/4)=2-10/7(5/3n+5/3) | | 8n-(3n+5)=30 | | 33/8=p+23/8+2 | | ((x+5)/2)+((x-1)/2) | | 17x^7y/-68x^4y^7 | | 7x-x-60=30 | | 11-21=8x+15 | | 35=-35+7s | | 4-2(-3-13)-8/-8/-17-7+25 | | -4y+1=-5y+2 | | 6x-7x=2(1+x)-5(-8+2x) | | -8z=-10-9z | | 178=8-10x | | -0.7y+3=-1.9 |