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x in (-oo:+oo)
(7/9)*(9/7)*x = 0
x = 0
x = 0
| (3x-4)(3x-4)=12 | | Y=4x^2-42x+54 | | 12squareft51/4ft | | W-8/w-8w-15/11w | | 8ab^3/ab | | x^2+2(m+2)x+m^2=0 | | 10x+25y=425 | | (2z-8)-(z+5)=0 | | 3x-8=14+x | | -7/17x=-4 | | 2.5(X+4)=30 | | 25x+10y=425 | | -9(w+1)-(-4w-8)=-6w | | X-185=5 | | f[n]=660+25n | | tan(3x-7)=cot(5x+15) | | 6x+8=320 | | 5(x-8)-7=-5(-3x+9)-2x | | log(4v+9)=log(5v+10) | | 7p-21=-28+7p | | 5x-25+2x+1=25 | | f(100)=0.41ln(100+1)+31 | | 7x-24=25 | | -1/5(10x-5y) | | y(y-6)=9 | | 20ln(.2)x=30 | | 0.93=(x-17.25)/2 | | 2x^2+4=92 | | 25-x+x+40-x+2x=80 | | C/9=-2 | | 300,45/15 | | 4a+3c=506 |