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x in (-oo:+oo)
1/c+(1/d)/c+d = 0
c^-1+d+c^-1*d^-1 = 0
x naleu017Cy do R
x in (-oo:+oo)
| -98=-12y-2 | | 68=1/2(11)(x) | | 15/2/21/8 | | 6k+(-8k)= | | (3x-5)(4x^4-3x^3+2x^2-x+1)= | | 5=y-10 | | 7z-9=-9 | | 5+1/4y=6 | | 5x^2-17+6=0 | | 1/4y=10 | | (5x^2+2x-3)-(7x^3-4x^2+2)= | | 5n-10=n+50 | | 16x^3y-54y= | | x^2-24x+144+256=x^2 | | 5y-15x=45 | | 14x+55=11x+94 | | 7x-4(x-3)=33 | | t/250=150/375 | | 1/4(2x+5)=x-2/5 | | =(7x+9y-2x)(8x-3x-3y) | | 7x+1=2x+6 | | 1/2+(0.7)2 | | (3x+2)=(x-7) | | -9x+63=135 | | (m^-1m5/m^-2)^-3 | | -1/12x+8=7/6 | | x/0.02=32.8 | | -3x=18.9 | | 4c-6=250 | | 47y+5x=360 | | 3x-10=12x | | x(3x^2+5x-4)-3(3x^2-x)=0 |