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D( x )
2*a = 0
2*a = 0
2*a = 0
2*a = 0
x należy do R
x belongs to the empty set
(7*a-(10*x))/(2*a)-((a-(5*x))/(2*a)) = 0
x belongs to the empty set
| 2/25=24/n | | 7/16w | | 6/5=1500/n | | 1200/8=n/3 | | 500=2000(1-t/20)^2 | | 3x+5*2-2=20 | | 500=200(1-t/20)^2 | | 12/5=n/60 | | 7/5=175/n | | x-1/8=1/2 | | 44+45= | | 2x-36=(-50) | | r(x)=6ln(1.8)(1.8x) | | 4x+x+5+2x+3=(x^4)+625 | | 6y^2+7y-3= | | 0.10x+0.80(500)=0.30(x+500) | | X-5x-5= | | 60/4=90/n | | 0.2v-3.4=-1.6 | | 21x=9 | | 3x+3x-10=65 | | 0.10+0.80(500)=0.30(x+500) | | 3x=3x-10 | | 5/6p+4=1/6p-16 | | 4/3=64/n | | -2v-5=-6v-9 | | -5z=-2z+9 | | 10/4=95/n | | 12x^2-12=-7x | | (5w+8)(5-w)=0 | | -4x-(x-2)=-36-1(4-x) | | 12/8=30/n |