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)
4-((5*(x+3))/6) = 12 // - 12
4-((5*(x+3))/6)-12 = 0
(-5/6)*(x+3)-12+4 = 0
4-5/6*(x+3)-12 = 0
4-5/6*(x+3)-12 = 0
4-5/6*x-29/2 = 0
-5/6*x-21/2 = 0
-5/6*x-21/2 = 0
-5/6*x-21/2 = 0 // + 21/2
-5/6*x = 21/2 // : -5/6
x = 21/2/(-5/6)
x = -63/5
x = -63/5
| 2t+-6=10 | | 36a+17=-48 | | 8r+3=19 | | 5s+5=15 | | -2b-15=12 | | 3(4x-4)=-60 | | (-3)+3=18 | | .9x+2.3=-6.4 | | 3/5=(a-7.46)/a | | (-3)+3=8 | | 2u+5=9 | | 3/5=a/(a+7.46) | | 11x-1=9x+21 | | 3(4x+7)=-51 | | 14-4x+24=130-5x-15 | | 4n+2=10 | | 6+2h=10 | | 3/5=a/(a+7.5) | | -1.5+0.15x=0 | | 9a^2=-a^2-18 | | -6(-2+4x)=-252 | | a^2=-a^2-18 | | t/29.4=5.5/4.2 | | x^2=-a^2-18 | | A/8.4=21.3 | | 6(4-x)=30 | | H/19.1+1.5=13.5 | | S/7.3=5.6 | | 3(1x-1)=30 | | 2x+(-45)=728 | | -2(3x-9)=12 | | 35w=56 |