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12/x-(18/x)-0.3 = 2
(2*x-6)/x = (x-3)/3
(7/2)*t-2 = -(7*t)-4
x-(3/5) = 1/x
(1/2)*(0-8) = 0
| sin(6x)cos(11x)-cos(6x)sin(11x)=0.1 | | -2x(3)=5 | | r+14=7+r | | 12/x-18/x-0.3=2 | | f(-7)=x-10 | | (2x-6)/(x)=(x-3)/(3) | | (7/2t)-2=(-4)-(7t) | | 8x+5y=186 | | 5x+18x+9=0 | | 4x-2z=44 | | 14+5=5x-6(-3x+15)+5 | | 4-y+x=0 | | 14+5=5x+-6(-3x+15)+5 | | 22-(x+9)=8x-5 | | 9=ab | | 19=5x-6(-3x+15)+5 | | (7x-2)(x-1)=0 | | x-3/5=1/x | | x^2-4x+4=x | | 4r+5=13 | | H=-3x^2+12x | | 1/2(0-8) | | 6-2x=6x-10x+1 | | 25/7-4 | | 4(a-1)-3(2-a)=2 | | 25/7-54 | | 2x+4(9+3x)=66 | | 6y-2=3x+10 | | 3g+6=24 | | y-16-3-y=0 | | -4x(-1)+2y=-30 | | 5x-55=-130 |