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x in (-oo:+oo)
2/a-(1/b) = 0
2/a-b^-1 = 0
2*a^-1-b^-1 = 0
x należy do R
x in (-oo:+oo)
| -0.7x+6.31=-0.5x+1.31 | | 2.4x-69=1.2x+9 | | (3x^2-16x+21)=0 | | -12/x^2/19/3x | | 171/3 | | 2(x-2.8)=8.8 | | (2x^2-7x+3)=0 | | 3(x-2)=10+x | | (3x+5)(2x^2-7x+3)=0 | | 194xy,1/2x,z | | n^2+10n-80=0 | | 5x^3y^6z^2+15xy^3z^3-25x^6y^2z^3= | | 10x^2+5x-225=0 | | 12/17x=21/34 | | 3x^3+22x^2-80x=0 | | 15-1/3x=8 | | 6x-7=5x+14 | | 3x(y-13)=5xy(2) | | 324+3x=609 | | 7r^2+5r^2-10r^2= | | 5x+12=6x-17 | | 10y=10+20x | | 10x+5y=-5 | | 8(x+2)-9=3x+5(2+x) | | (5xy^5)^1/9 | | y=3x^2+18x+24 | | 5/6x-18-2/3=4/x-3 | | -2(x-9)+6=24 | | 6x-(2+7)=15 | | x^(3/4)=-25 | | x^(4/3)=-36 | | x^(3/5)=-8 |