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)
(13*z)/y = 0
13*y^-1*z = 0
x należy do R
x in (-oo:+oo)
| -3+4-(-7)-14= | | 2(a+2a)=80 | | x=15+x | | 3(x-3)=14 | | -(3y+1)-(-2y-2)=-4 | | P/3-6=8 | | 2p-1/9=7 | | 3p-1/9=7 | | 11a+17=6a+27 | | 2(p+q)=11 | | 15x^2-1x-w=0 | | 12a^3+4a^2-3ab^2-b^2=0 | | -(5x+2y)(5x+3y)= | | 5x+3y+40=600 | | [x-2]=[x-4] | | 2y^6*2v*2v^2y^9= | | t^3-t-2=0 | | x^2-6x+5y=-34 | | t^3-4t-8=0 | | 9/90=x/18 | | t^3-8t-4t=0 | | 0=k^2+2k+70 | | 1-cos^2x-cosx=1 | | 9-7n=21 | | 8cosx+4=4.826 | | 5+3+5=350 | | 351+19+25+20+31+18+25+18+17+15+24+19+24+17+12+15+14+24+25+25+8+12+11+12+8+14+9+14+19+12+13+20+14+12+11+10+16+12+13+10+8+6+10+14+10+5+5+8+6+14+15+5+19+9+11+10+14+21+10+20+9+7+8+5+16+7+7+8+12+8+17+7+7+22+12+12+10+13+14+10+8+10+13+12+16+9+10+20+18+14+8+16+15 | | 351+19+25+20+31+18+25+18+17+15+24+19+24+17+12+15+14+24+25+25+8+12+11+12+8+14+9+14+19+12+13+20+14+12+11+10+16+12+13+10+8+6+10+14+10+5+5+8+6+14+15+5+19+9+11+10+14+21+10+20+9+7+8+5+16+7+7+8+12+8+17+7+7+22+12+12+10+13+14+10+8+10+13+12+16+9+10+20+18+14+8+16+15 | | 12x(5-4)= | | (76)-(-33)= | | D=8(560) | | (94)-(86)= |