If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
88 = 2200*(180/360)*r // - 2200*(180/360)*r
88-(2200*(180/360)*r) = 0
88-1100*r = 0
88-1100*r = 0 // - 88
-1100*r = -88 // : -1100
r = -88/(-1100)
r = 2/25
r = 2/25
| 2r-24=-36+5r | | a/5-a-3/10=7/10 | | i=(400)(0.08)(4) | | 2r-10=-10+5r | | (9/5)x+32=90 | | 42=(P)(0.06)(1/2) | | 7+-3r=9r-11 | | t-21=-16 | | x^4+2x^2-24x+72=0 | | 4(3x+4x)-1=107 | | .4x=x-30 | | x*50=70 | | 36=(x)(0.04)(9/12) | | 31x(x-1)=6 | | p=(36)(0.04)(9/12) | | 2x+10=3+4x-9 | | 0.5x=23 | | 0.2x=35 | | 4x-1=4(x+2) | | i=(800)(0.05)(6) | | i=(700)(0.05)(3) | | 7(7p-5)-6(3p+6)=71 | | -4x-13=3x+15 | | 31n(x-1)=6 | | x+0.05x=32550 | | 0.20x+0.45(50)=23.5 | | (x+3)+1=10 | | (4/7)n=5.6 | | 3.675=-4.9s^2+9.8s+0 | | -3=-4.9s^2+9.8s+0 | | x-5=2x+2 | | 5(x+1)=4x-7 |