If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
(1/2)*n-3 = (42/3)*n // - (42/3)*n
(1/2)*n-((42/3)*n)-3 = 0
(1/2)*n-14*n-3 = 0
-27/2*n-3 = 0 // + 3
-27/2*n = 3 // : -27/2
n = 3/(-27/2)
n = -2/9
n = -2/9
| 3-4x-6=3 | | 20(2)(x)=150 | | 48x^4+64x^3-47x^2-21x=0 | | 3(a-3)-4a=11 | | 2b+3(3b-1)=25 | | 11x^2=5 | | 3/65÷143/9 | | =4x^3+2x^2+40 | | 0=44x+5-9x^2 | | -3(x)=3x+9x+1 | | 3(x-5)2x=5x-15 | | 14a^2-3a-2=0 | | 5y-y/2 | | 21/28=×/20 | | (4x^2+7x)(12x^2-5x-3)=0 | | (-1+4u)=u+15 | | x(x-2)(x+1)-3-3x=0 | | 0=44x+5-3x^2 | | 5x-4(2x+9)=-24 | | (16z^4-8z^3)/4z^2 | | 4y-19=-35 | | log[3](-9-4x)=4 | | 10x^2+32x+6=0 | | 8k+6=12 | | x^2+24y^2=6 | | 0.83+0.14t=3 | | 5x-14=3x+8-(x-8) | | (5x^-2)/(4x^2)^-2 | | 9w-12=3(w-8) | | log(x)+log(x-2)=log(x+10) | | 6x^2-x-x^2=0 | | 3/10x-2x=8/5=3/5 |