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)
15/3 = x/4 // - x/4
15/3-(x/4) = 0
5-1/4*x = 0 // - 5
-1/4*x = -5 // : -1/4
x = -5/(-1/4)
x = 20
x = 20
| x-y=6000 | | 15x+13y=17 | | 4y+8=5y+17 | | 5(4a-7)+5=5a+45 | | 3x-62=10 | | 1/4*1=1/x | | x-2(3)=294 | | -6x+4=-3 | | 5x-10x+x-3=39 | | 4-x/x^2-16 | | 2x/5=12/5 | | X-1/2=6/10 | | 19=5+8x | | 1/20=20/x | | 2(x+4)=74 | | -10+9n=197 | | 11(-6+x)=33 | | -25+-25+1=-29 | | 11m+56=6(4m+5) | | Y^3+x^3y^2=13 | | 11(-6+x)=3 | | factorx^2-2=-x | | 4x/3=2/3 | | 2x+2x+4=20 | | 2v-3=-15 | | 39x=1287 | | 14=m-(-45) | | x/4=40/5 | | 3x/2-5/4=x/4 | | 3.4x-0.2=1x+14.2 | | 26x^2-81= | | -63=-21x |