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x in (-oo:+oo)
L = (P/2)*W-2 // - (P/2)*W-2
L-((P/2)*W)+2 = 0
L-1/2*P*W+2 = 0
x należy do R
x in (-oo:+oo)
| 2n+2=15 | | f(x)=-4x^2+7 | | -56+7x=-7 | | 3x-4=4-(2x+8) | | -5+2(-4)= | | C+37=63 | | 209960735x^2+31569266222.9275x-30268631606950=0 | | 6(u-4)=8u-4 | | 5(3)-(-5)= | | ln(20)=ln(x+6)+ln(2) | | y+14.6=31.75 | | 3n+39=84 | | 2-3(-4)= | | 2h+26=9h+234 | | 6k+18=10k | | 4x/9-8y/5=5 | | 24u^4/54u^7 | | 2557+(-2972)= | | 2x-7=-x+62 | | 2m+(m+1)=0 | | X-y=2x^2-5y | | 6+4a+5a=-9 | | 15x-5(10+5x)=20x-10 | | 28h+-2296=-616 | | -11=5/12x-(-4) | | 10x+5y=125 | | X*y=2x^2-5y | | 0.9-3x=42 | | x÷1/8=$480 | | 0.25x+2.5=6 | | 11y+13=134 | | P=2n+6 |