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x in (-oo:+oo)
a*(y/5) = 20 // - 20
a*(y/5)-20 = 0
1/5*a*y-20 = 0
x naleu017Cy do R
x in (-oo:+oo)
| 9y-7y-11=29.56 | | 5m^2-5m-5=2 | | 2.3e+2.6=(-23) | | 14x-6+2x-4=13x-2+2x | | 3(8-6)=41 | | 4m^2-10=26 | | 1-4(5-4x)=61 | | 39=-2y-3y-26 | | .4m-3=(-1) | | 4m-8.2=12.4 | | 38.83/8 | | M/2=7.3 | | -(5/2)x+(1/2)=-18 | | F=32+9/5(k-273.15) | | -2t+4/3-4=-12 | | (r-4)/(r-1)=0 | | -4(1+6r)=2r+22 | | 6-5c=(-29) | | 5x+6(-3x-3)=47 | | 13(4/5)x9(1/5) | | n/4+n/3=101/2 | | 161.33=8s+19.13 | | 3.8-4/2 | | (3/4)w=24 | | 8d-1/3(6--9d)=42 | | 2x^4+20x^2+32=0 | | x^2+1.5x+1=0 | | 161=x+2x+(x+13) | | 36s^2+5s-1=0 | | 54=2(12*h) | | (5-x)/(3+x)=13/12 | | 161.33=5s+19.13 |