If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
9 = a/2 // - a/2
9-(a/2) = 0
9-1/2*a = 0 // - 9
-1/2*a = -9 // : -1/2
a = -9/(-1/2)
a = 18
a = 18
| 50b^2+25b-3=0 | | 3y+3-2y=-45 | | 5/2y-1/y | | 0=-9.8(1.63)+vi | | 4+13n-2=7n+26-2n | | 3+5r=2r+4r | | 3(w+7)+4=-7 | | (X+6)(3x^2)= | | Y=4-3.5x | | 13=-6k-7k | | (5v+3)(8-v)=0 | | (2*3)+(6*15)= | | 2p-8=1+3p | | rxt=c | | 2/32=4 | | mx+4=x+4m^2 | | -.225x^2+2.56x-5.54=0 | | 5-2-1=5 | | X-28=8x | | 3k^2+8k-11= | | p(c)=3x^4-4x^2-7 | | 7x^4-134x^3+628x^2-906x+117=0 | | -4y/3=-28 | | y=4(-1)-4 | | y=-2(-1)+2 | | 4/5=-2v | | s+6*s+6=15 | | 8.5x=c+6y | | y=-6(-1)+6 | | 4z^2-15z+4=0 | | x(x-5)=2 | | 8.5-.5y-z=7 |