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 = 45-((5*x)/9) // - 45-((5*x)/9)
(5*x)/9+y-45 = 0
5/9*x+y-45 = 0 // - y-45
5/9*x = -(y-45) // : 5/9
x = (-(y-45))/5/9
x = 9/5*(45-y)
x = 9/5*(45-y)
| 2b(2+2y)=3 | | 2(3-1)+2(4+5)=8 | | -4/-17 | | 2+7x=100 | | 5y*x= | | 254=200+x | | 10*x=7.8993 | | (-2x+3.5)-(-x-1.2)= | | -4k+2-7=25 | | 1/3x-36=36 | | -3/2x-12 | | 0=-16x^2+4.8x | | 16y+4x=120 | | (x+4)-(5x+-7)= | | -4+2-7=25 | | 9c+12c^2= | | 42x2/7 | | 41=v+37 | | (-12-6)-(-4x+3)= | | 60x-5=60 | | 4x+16y=120 | | -3.7x=56.24 | | 3ab*3a= | | 3x+66= | | .40x+.15(100-x)=33 | | 93=4d+5 | | -8+3(-5)-(-2)= | | 4a+5b=-7 | | -b+4-(2b-17)= | | -(6y+6)-(-5y+9)=-3 | | 13(x+5)=7x+5 | | (2x+1)+(2x+1)+(2x+1)= |