If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
(-1/5)*y = -30 // + 30
(-1/5)*y+30 = 0
30-1/5*y = 0 // - 30
-1/5*y = -30 // : -1/5
y = -30/(-1/5)
y = 150
y = 150
| 18ab^2-4ac+2ab^2-10aC= | | P+1478=11724 | | 3c-4=6 | | 1/5y=-20 | | 18ab^2-4a+2ab^2-10a= | | 50x-100y=300 | | -2c=28.2 | | y+16+50-1=180 | | (y-8)/2=(y-5)/5 | | x=54-2y | | N+6=-5-9 | | log100x-1/2 | | 3z+2=z-6 | | (120)(0.5)+0.15x=25 | | y-8/2=y-5/5 | | 4(x+3)=3x+11 | | x+13.7=22.85 | | -3x+3y^2=0 | | 24m=648 | | 131-X=74 | | 3x-2-7= | | 500=538cos(b-10) | | -2.5+5=25 | | 3x+x+24=180 | | 3x+8=-2x-10 | | .5(2x-4)=29 | | 4x+10=-x+6 | | -0.8x-2=2 | | 4(2x)=136 | | 15+x=77 | | X+15=176 | | a-4=3a |