If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
6*(3-a) = -6 // + 6
6*(3-a)+6 = 0
6*(3-a)+6 = 0
24-6*a = 0
24-6*a = 0
24-6*a = 0 // - 24
-6*a = -24 // : -6
a = -24/(-6)
a = 4
a = 4
| 3(7+6t)=237 | | 2(-2t+6)=48 | | 5z^2+13z-6=0 | | 12b^2-22b=4 | | 7x+4=8x+5 | | (x-10)-(8x-7)= | | 3x^2+12x+20=11 | | 7(1-2d)=7 | | 5(4x+8)=-140 | | 3x^2/4=27 | | 3(-6m+4)=210 | | 6(1+4n)=222 | | t=t+3.14 | | -9(6)+8(7)=27 | | 6(7k-4)=-66 | | 2(5n-8)=-6 | | 7x+4=110 | | w-3.7=4.43 | | 37y=4(9y-6) | | x^2+8(x+2)=0 | | 2(1t+4)=12 | | 5(-10-2t)=-70 | | 3(10+5a)=90 | | 4(3+3n)=24 | | 3(-5-3m)=-78 | | 4(4+7k)=128 | | 7(5w+9)=483 | | 4(7-6n)=28 | | 2(-1x-7)=-32 | | 2(5w+5)=-100 | | 6(8+5x)=18 | | 7x+8-6x=12 |