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x in (-oo:+oo)
((-9/10)*x^7)/8 = 0
-9/80*x^7 = 0 // : -9/80
x^7 = 0
x = 0
x = 0
| -16-4n=-2(3n+2)-n | | a+.6=3 | | 2ln(x+1)=ln(4x+49) | | 31+2x=3(3x-6) | | 4*v=v+63 | | 9(x-3)+7=57 | | b/-6.2=0.6 | | 10*3+(16-8)= | | 10*3+(8-8)= | | 0.7(x+50)+0.3x=54 | | 12c+18=3+5c | | 3(2p-1)+10=-(3p+4)+7p | | .15x=24+9 | | 4(2x-8)=3(2+2x) | | 4*3+(4-1)= | | p+44=3p | | 26x+6+27x+2=180 | | 0.3(6)+0.05x=0.1(24+x) | | 5*(6+8)-9= | | 40+15.75x+9.50=213.25 | | .15(x+24)=9 | | X+x+(x-50)+(x-50)=360 | | 3.9=t-.39 | | 3x-8=2X+20 | | 5(x+6)-3x=-12 | | g/-3=8.5 | | 5*(8+4)+6= | | .15x+24=9 | | v+42=v*3 | | -5(f-2)=3f+2 | | -3x^2-16x+35=0 | | -16-4n=2(3n+2)-n |