If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
z/4 = z/7+3 // - z/7+3
z/4-(z/7)-3 = 0
3/28*z-3 = 0 // + 3
3/28*z = 3 // : 3/28
z = 3/3/28
z = 28
z = 28
| X^3-2x^2+x-0.01=0 | | z/2-z=3 | | 4+8=10+5 | | -16-6=x-8 | | 3(n+1)-2=2(n+1)+n-1 | | 7/5x+3/5x=2/x | | x+5x=36 | | 7/12=-4/x | | 7/5x+3/5x | | 3(w-3)-9=-3(-8w+7)-6w | | -q=14 | | -2(w+5)=2w-8+2(5w+5) | | 3=p-3 | | -1/12=x-8/9 | | 4(12x+3)=16x+3-8x+9 | | 2(x+3)-3(x+5)=3(x-2)-7 | | 19x-5/13-18x=5/13+13/13 | | x+25938384834598=3.14159265359 | | x+25938384834598=314159265359 | | 3(2y-2)-2(y+6)=0 | | 9w+2-2(-3w-4)=3(w-2) | | 7+3n-5k+8n=4k+66k-55n | | 3x+52x-34=25 | | 3x^3-9x+6=0 | | 70d+630=124-(-566d) | | 4(2y-1)=10(y-5) | | w(6w+w-2)=0 | | 36/12=s/16 | | X+15+x-12=180 | | 1.6=7.6-5(-0.3+1.1) | | X-58+x+21=180 | | 6(y-2)-3(y+1)=8 |