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a in (-oo:+oo)
(25/5)*a = 0
5*a = 0 // : 5
a = 0
a = 0
| 23x=25 | | 0.000042/(7x10^-3) | | ln(x+2)-2*ln(x)=0 | | g/21=-6.8 | | 43+x=69 | | 3/4z=1/4=1 | | x+y+z=16 | | X+34=59 | | (x)-6=4 | | b//17-5b/17=28/17 | | -14-76= | | 57-(-163)= | | ln(5^(1/2))-ln(25) | | 7y-(9y-16)=14-(-y+19) | | x+7=12x-4 | | -1000+1= | | 16/3.2 | | -2(6x-5)-6=-2(-5x-2)+x | | -2-(-41)= | | -200=4x | | 3/4w=45 | | 205-(-56)= | | 3x-(x+2)=2x+-5x-12 | | 5c-4=7 | | -95-(-43)= | | -7x+y+2z=1 | | 3x-y+2z=1 | | p=8(2x+1) | | 6(b+3)=5(b+6)-1 | | 2x+5y+2z=0 | | -34+-99= | | 2a+6+4+4=8a+12+2a+4 |