If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b in (-oo:+oo)
(45/28)*b = -45/7 // + -45/7
(45/28)*b-(-45/7) = 0
(45/28)*b+45/7 = 0
45/28*b+45/7 = 0 // - 45/7
45/28*b = -45/7 // : 45/28
b = -45/7/45/28
b = -4
b = -4
| -3(6+4x)=-162 | | -(16x-8)-(-2x+4y)= | | C=28l+19w | | 5/8x-2=18 | | [5x^4y^3]2= | | x^4=1472.2234 | | j+1-3=3-4 | | 3(3x)+2(5x)=60x-500 | | 3(7+x)=3x | | 3(2-x)=6x | | 7+x+12=35 | | x^2=1472.2234 | | 16x+4y-8=0 | | 80=4y+16 | | 2(3x+1)=(x+2) | | 8(x+5)=2(x+4) | | 4(x-12)=-2(24-2x) | | 0=12x^2-68x+66 | | -24=2 | | 3(x+5)(3x-2)=0 | | -6x-7+8x=-7x+5 | | 20x^3+180x^2=0 | | y^3+2y^2-1y-2=0 | | -2[8-y]=-6y | | 45+2.50=3.75x | | 28=p+21 | | (2x-5)(3x^2+2)= | | -2n-n=1-4n | | 1764=2x^2+5x | | 3(7x-4)=5(3x+6) | | 5x-2(5x+16)=3 | | 26-4z=-5 |