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)
(1/2)*x-(3*y) = -9 // + 9
(1/2)*x-(3*y)+9 = 0
(1/2)*x-3*y+9 = 0
1/2*x-3*y+9 = 0 // - 9-3*y
1/2*x = -(9-3*y) // : 1/2
x = (-(9-3*y))/1/2
x = -2*(9-3*y)
x = -2*(9-3*y)
| -6(0)+5=y | | 8(c-3)=96 | | -6(2)+5=y | | -2+4y=12 | | 35x^3+15x^2-49x-21= | | 356=72 | | 356=151872 | | 4m^2-20m+25= | | 3(-2)+3=3-y | | 3(0)+3=3-y | | 5t+15= | | 4-5(x-3)+2x=-2 | | 3(2)+3=3-y | | 4(-2)+2=y | | 4(0)+2=y | | 9z(3+2)=135 | | 4(d-3)=28 | | 4(2)+2=y | | 6x+11=-64-9 | | -2y=12(-2)-14 | | X-5/4=-12/3 | | 8+2x+3x=33 | | ax+4=5x+b | | 2x/3+8=-4 | | -2y=12(0)-14 | | 13+a-27=119 | | 6x+22=-2 | | -2y=12(2)-14 | | 2x-6(3x-14)=4 | | 9m+5n-4m+8m= | | 5(x-2)+3=2(x+3) | | -3x-2=-29 |