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x in (-oo:+oo)
(x/2)/2 = 0
1/4*x = 0 // : 1/4
x = 0
x = 0
| 13x+34+10x+10=180 | | 6x-7y=36 | | (-y^3-y+1)=(-7y^3-6y-5) | | x=66000+.4x | | 24-x=[8-(3-7)]-(4-6)3 | | 80x+120(15-x)=1560 | | 8z+7=8z-z | | y=-1.69x^2+2.2x+12000 | | 140z^4+8=0 | | 3a+5c-a+3c= | | 30=0.5(2x+8)(x+3) | | 4q=2 | | 8y*8y*8y=512y | | X-3+81=x^2 | | 4x+3y-2x+6y= | | -6y+18=7(y-3) | | (A-5)=63 | | 4b-6-11b-9= | | 2x+y=440 | | (29x^2)^1/9 | | .10(91)+0.08x=0.05(x-2) | | 1.5=5d-0.5 | | (2x+3y)(2x-3y)=0 | | 9m+2m+5n+2n= | | 8a+5a+9b+7b= | | 36=e-.25e | | (0.1x)2=0 | | 11-(-20)+15-5= | | 2p-2/p*2p^2/7p-p | | (r-2)(r+2)= | | 3x-1/2x= | | Q=298-20p |