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x in (-oo:+oo)
u = k/a // - k/a
u-(k/a) = 0
u-(a^-1*k) = 0
x należy do R
x in (-oo:+oo)
| 3x+7+1=20 | | 8-(7)(x)=-28 | | 14/15=x/5 | | 10-4x=2-7x+5 | | 24=2n+6n | | 2x+-1+3x=5x-1 | | 5=10m | | (7y+6)+4y+64=180 | | 15+10x=-5 | | -4x+t^2=5 | | a=bx+cox+d | | -r^2+5r-4=0 | | -44-(-22)=x/5 | | V/8=3 | | 3x+71+5x+37= | | .0083333= | | 2x-1+3x=2x+4 | | 5k=q-5z | | 8z^2-7=0 | | 14x-21x=2 | | 12=1+8r+3r | | 12x+12=2(5x+6) | | S-8/-6=-10 | | 4(x-1)=4x-20 | | x+79=2x+37 | | 5x-5=5x+1 | | 7p=2/7 | | -14=b/13 | | 4u^2+9u+4=0 | | 8.3=x-6.1 | | -9=-5x+2x | | 8x-5=2(3x+1)+2x |