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)*(4*x-12) = -18 // + 18
(1/2)*(4*x-12)+18 = 0
1/2*(4*x-12)+18 = 0
1/2*(4*x-12)+18 = 0
2*x+12 = 0
2*x+12 = 0
2*x+12 = 0 // - 12
2*x = -12 // : 2
x = -12/2
x = -6
x = -6
| -9x-7=-8x | | 5x^3+x^2-4x-9=0 | | 12-2x-1=16x-64 | | 6-2(y-4)=1-7y | | -14x+36=-12x-9+3x | | -7x-44=4x | | 4x-54=-2x-6 | | -6=7b-b | | 7+z/5 | | -6=7 | | 3s^2-36s+81= | | sin(5x)*cos(2x)-cos(5x)*sin(2x)= | | 4x^2-9y^2=40x-36y-8 | | 4/5c12=-31 | | 3(y+46)=-1x^2+16x+64 | | f(x)=4x^2-24x+10 | | 17/19-5/d | | .2x+9.4=8.7 | | 4y-y-140=2y+60 | | 2x+10+7x-7=42-2x-4 | | 9/y^2+8/y | | (56+x)/2=77 | | 15-1/2b=3 | | 9/8+8/9d | | 2(n+2)=5n-2 | | 4/5-5/8 | | (x+40)/2=64 | | N+2.6=4 | | -5(x+7)-43=8-41 | | 58+4x+2=10 | | 71-2=3x+16 | | 1+2x=7(x+1)-6(x-3) |