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(3/5)*t-((1/10)*t) = t-(2/5)
3550/75 = 0
2.405/3.67 = s/1.88
6/8 = 7/9
2.5*(-1/3) = 0
| sen(3x)=0.5 | | .11y+0.7(y+9000)=1710 | | -14+6x+4=3(-5+3x) | | X^2-1X=30 | | lx+1l=x^2-5 | | 80=(3)(x+6)(x+6) | | 2x+(x+6)=56 | | 288+4x=192+8x | | 7x+12+5x+7=9+10x+8 | | 3c=21m | | 17+-4x=-4 | | 3x-9y=30 | | -7x+20=-5(-7x-4) | | X^2+3X-2=28 | | Xz+4y=wforx | | 6n+4-4=-18 | | 2x=x^2-3 | | 2.5(-1/3) | | V+5-1=2 | | U^11/u^4 | | 1+5x=3x+1 | | 4x+8=2(2x-12) | | 5z^2=90+15z | | 3x^2-28x=-2x^2-5x-24 | | N+4n-9-5n= | | 3e=98 | | 3x^2-28=-2x^2-5x-24 | | 5+7n=-4(-8+5n) | | X+14=28+5x | | D=7/2(m-85) | | (7/5)*(3/10) | | 3x^3+10x^2-48x=0 |