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x in (-oo:+oo)
(30/15)*x = 0
2*x = 0 // : 2
x = 0
x = 0
| 25t^2-110t+121=0 | | 2cos^2(2x)=3sin(2x) | | 8x+8=6x+42 | | 6(5-3)2+3= | | 10=x^2 | | 5n*4m= | | 10/(7-2)+9= | | 2(p+5)+3(p-2)=3(p+6) | | 2x^2+4.5x-17=0 | | 3x+2y-5x(5)= | | (-3t^2+6t-7)+(4t^2+2t+1)= | | x^2+y^2=14x+48y | | 6P2/12P4 | | (5x+6)+(3x-8)=180 | | 8y+3y+9y-8= | | 0.32= | | (3f+6)= | | (6f+3)= | | (x^2)-15x-15=-69 | | (5t-21)= | | (4t+16)= | | y=(a+b)2 | | (o+13)= | | 2x-6=4+x | | (5y-7)(2-y)=0 | | 5c+2c+7c-8= | | (4o-28)= | | -2=-1/3x-1 | | 8x-3-7x=9+7x-7x | | (1/9x^-5y^3)(1/2x^5y^-6)= | | 6c+7c+9c-1= | | (x-3)/40=6/48 |