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)
(-2/3)*x+6 = 12 // - 12
(-2/3)*x-12+6 = 0
-2/3*x-6 = 0 // + 6
-2/3*x = 6 // : -2/3
x = 6/(-2/3)
x = -9
x = -9
| (2x+3)/5=x | | 3x+6x+1=0 | | x(x+3)+26=(x+5)(x+2) | | 2*5x^3=5x^3 | | 15x-122=5x-12 | | x+119y=181 | | 148-3x=42x+23 | | x+y=181 | | (7/12x)-1/3=(3/8x)-5/6 | | x(x+3)+26=(x+6)(x+2) | | x+9=181 | | (2/5x)-1/4=(3/10x)-4/5 | | 6x^2+54x=9 | | xy+yz= | | 144-2x=43x+24 | | 5s+8s= | | 3a+af= | | -4p-8/3+2p=-10/3 | | t+1/2=t+9/4+1-7/4 | | 144x/3x | | y=(-416.72*81)+(4416.7*9)+8500 | | 4x-3y+14=0 | | 33x-44y+99= | | 188-7x=38x+18 | | -2m+34-7(m-3)=8m-(5m-7)-6m+6 | | 60r+40s-100t= | | 14-7x=41-28x | | 4x=5x+2 | | 21p-49q-7= | | 85-5x=9x+19 | | y=(-143.3*81)+(1823.3*9)+6820 | | 2(x-6)=3x(-218) |