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)
1/r = 1/s+1/t // - 1/s+1/t
1/r-(1/s)-(1/t) = 0
1/r-s^-1-t^-1 = 0
r^-1-s^-1-t^-1 = 0
x naleu017Cy do R
x in (-oo:+oo)
| 3(x+1)=7(x-1)-10 | | 3(n-5)=-2n+20 | | 60-.01x=0 | | 1/r=1/t+1/5 | | 3x+40=90+22 | | (1/2)(5x+1)=8x | | -105=7(-10+n) | | 3/5x+17=4/5x-2 | | 2n+7=2+3n | | 6*x-3x=210 | | 14x-(2x-8)=92 | | 3+5n=-57 | | -2Y+2=7Y+17 | | 5/8x7/8 | | 2n-7=8-3n | | 3y-3=x | | 7(x-4)=6x-6+3x | | 162=9(x+2) | | 1x-5=3.5 | | 6x=80+40 | | 21-5-2=8 | | 2x-3x+5x-9x= | | 6(4m+5)+7m(2m+3)= | | -2(r-10)=12 | | y=41.35x+2219.5 | | 9x-37=6x-12 | | 7x-5-3x=4x+3-2x | | 60-.01x=25 | | 28x=120 | | x-5-8=8 | | -3(20y)= | | 2sinx=3sinx |