If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u in (-oo:+oo)
4-(u/5) = 0
4-1/5*u = 0 // - 4
-1/5*u = -4 // : -1/5
u = -4/(-1/5)
u = 20
u = 20
| -24=-4m | | 56x^2-47x+5=0 | | 2(3x+11)=6x/3+4 | | 8p/2+12/2=50 | | 26.50+0.15=1450+0.25 | | 6+4x-4=3x-6-x | | -25=16+c | | 150X+200+50X+100= | | A^2-19A-20=0 | | 1/4+2/5n=41/4 | | 9g+14=2g | | x-22=-15 | | x-(9)=-33 | | 7(P-2)=32 | | 16.85-x=6x | | 4x+16=2x/4 | | 3z-32=-7z+28 | | 6(k^2-2k)=0 | | d(2d+4)-6=2d^2+3d+6 | | 58=t+23 | | 6/(g+2)=1 | | 28=m-7 | | (5/7)-(3x/4)=2 | | 2(-5)+5y=10 | | 302-67x=53x | | 2y^2-11+5=0 | | y=-2x^2-24x-75 | | -6v+34=4(v-4) | | 200-11= | | (4/9)+(x/3)=7 | | d^2-8d+c=-7 | | 63*(-9)=t |