If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
y = (5*a-15)/5 // - (5*a-15)/5
y-((5*a-15)/5) = 0
(-1*(5*a-15))/5+y = 0
(-1*(5*a-15))/5+(5*y)/5 = 0
5*y-1*(5*a-15) = 0
5*y-5*a+15 = 0
(5*y-5*a+15)/5 = 0
(5*y-5*a+15)/5 = 0 // * 5
5*y-5*a+15 = 0
x belongs to the empty set
| y=5a-15/5 | | 1/5*x+7=16 | | f(4a)=x-9 | | 6.7=10(x)+-27(1-x) | | 9.8=10(x)+-11(1-x) | | -1.3=10(x)+-11(1-x) | | 4.4=10(x)+-11(1-x) | | 5.7=10(x)+-11(1-x) | | 5x+2y=-22 | | 7y-3y=210 | | a/4-1/4=-6 | | 6.7=10(x)+-11(1-x) | | Ix-4I=10 | | 35n^2-76n+32=0 | | 4^-4a^6/4^-2a^-1 | | 0=-5y^2-13y+6 | | 3-3y+4y=24 | | y=-0.0015x^2+0.1222x+0.057 | | 3k^2-14k-24=0 | | 3-11x=7+x | | 4a-a=6a | | -3p^2+30p-72= | | a/6-1/2=1/3 | | f(x)=3x^2+24x+42 | | 5+3x=2+3x+5 | | x+25=124 | | 2x-2=6-4+4x | | y=10x+-11(1-x) | | In(2x-4)=1.1 | | 2+4+4+4=3.5 | | 2+4+4+4= | | 10x+4x=3500 |