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 = (4/9)*x-45 // - (4/9)*x-45
y-((4/9)*x)+45 = 0
(-4/9)*x+y+45 = 0
y-4/9*x+45 = 0 // - y+45
-4/9*x = -(y+45) // : -4/9
x = (-(y+45))/(-4/9)
x = 9/4*(y+45)
x = 9/4*(y+45)
| 6.975=-15.5x | | 0.13= | | 21/4r=10 | | -4/u=-8 | | 0.65x+.05(2-x)=.10(-59) | | 9=3v | | h/26=5 | | 3/8+2/4 | | -2=7/v | | -3y-x+3=0 | | 6u=28 | | -6/x=-4 | | -4/3(21y+24z) | | ln*x-ln*3=0 | | 6=-9v | | -32x+14.08=-4.8 | | (2/3)(x+1)=(3/4)(2x-3) | | (3-7i)(1+i)= | | -9=-3/y | | 2t/3-18=6 | | x+17.2=37.7 | | 5h-6+10=12 | | 5(2*-4)=35 | | (3/5)(2x-1)=(1/3)(3x-6) | | S=pr^2 | | -7(y-1)= | | f(x)=-5x+2 | | 1x*2x=110 | | -3(x-2)=-3x+6 | | 1x+2x=110 | | x^4-2x^3-9x^2+2x+8=0 | | 1x+2x=15 |