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x in (-oo:+oo)
((15/14)*x^10)/21 = 0
5/98*x^10 = 0 // : 5/98
x^10 = 0
x = 0
x = 0
| 2/5x-4/3x | | 46+6p=73 | | T*5-8=14 | | 73+6p=46 | | 3x-y+5z=-8 | | 195+x=12x-3 | | 7+x=-129+(-3x) | | 15x-13=8x+2 | | -11z=121/5 | | 12=8x-4(3x-7) | | x+x*0.5=90 | | 524+2x=550 | | 11-6-1=6 | | 9/7=k/2 | | (2x)2+4x=0 | | 3f-4-5f=f-4-f | | 9n=64.71 | | 1600+65n=105n | | 5x-10x+15=47-22 | | H(t)=-4.9t^2+vot+ho | | (5x+1)(-2x-4)=0 | | 155-60+x=180 | | (-1+3)= | | X*7+4=4 | | Z*10+5=4 | | g(5)=75 | | (9x+15)=69 | | -10+5x+40+90=180 | | 2-2x=10-3x | | x+90+99=180 | | 60+90+30x=180 | | x+90+96=180 |