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+12) = 6 // - 6
(2/3)*(x+12)-6 = 0
2/3*(x+12)-6 = 0
2/3*(x+12)-6 = 0
2/3*x+2 = 0
2/3*x+2 = 0
2/3*x+2 = 0 // - 2
2/3*x = -2 // : 2/3
x = -2/2/3
x = -3
x = -3
| (4/x^5)-(2/x^3)=0 | | -10x-30x^2=0 | | 143/3=x | | -100.00+4x=6 | | 5s+13=-12 | | a^2+3a+5a+15=0 | | 8y-4=3y+21 | | (-12/x^13)-(-6/x^7) | | 6(39.2)-4y=-24 | | 2x+11=101 | | 1+0.6(q-4)=0.4(q+1) | | 17+2n=22+2n | | 2x(x+5)+7(x+5)=0 | | 4n+18=-2+8n | | (4/x^5)-(2/x^3) | | (54+x+83)/3=76 | | 34-(2x+7)=2(x+6)+x | | 4(x-1)=13 | | ((10-6)+(15/9)) | | b+b+18+b=3+b+27 | | 4(4+9w)=-11 | | 122-4x=6-8x | | 54+x+83/3=76 | | 1/6(pi)r^2s | | y=2+2/x | | 57+x+y=180 | | k=2+2/x | | -100.00+4x=-50 | | y=kx+3 | | -5x^2-20+25=0 | | 16x^5+4x^3-8x^2=0 | | 6x-2=5x+8 |