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1307;505

90.15;0.03

x = (2*y-1)/y

2*x^4+1*x^3-(4*x^2)-(1*x)+2 = 0

78.25;0.5

| 17x+27=78 | | x=(2y-1)/y | | 5(2x-4)=-3x+14-4x | | (2c-13)+(2c-18)+(c-14)=180 | | 2x(9-2x)50/(3-3x)^1.5(6-x)^0.5 | | 8-2x+5x=-1 | | -2=-(2x-8) | | 0.3y-1.2=2.4 | | 100(2n+3)= | | 2x+9=.8x+21 | | y=x^2-12x+41 | | 102+6x=180 | | 5c+25=180 | | 11a+3b-5c=0 | | 42+3s+s-6=180 | | 4w+6-7w=15 | | -19=m+2 | | 3n+11=13-4n | | x+3y-z=0 | | 1/3*1.125= | | a+b+2c=0 | | 5(2r-2)=9(r+4) | | 5y+50=180 | | x+3y-x=0 | | 2h+3=-13 | | 4x+8x-18=72-6x | | .37125= | | h(t)=-2t^2+5t+13 | | .28125= | | 9y-3=4+7y | | 5x^2-17=3 | | 7x+3x+7y+3x=360 | | 0.79x+56x=1.49 | | 5r+8=-9+10r | | 5/6-2/3=1/3 | | h/5=-4 | | 14p-2q=34 | | -39=13n | | -4(x+2)=-4(x+5)-2 | | 7-0.64= | | -10x=112 | | -2k(-3)=8 | | 19×(1/4) | | 2(x+3)=2(2x-3) | | 5(4-2x)=4(5-4x)+6x | | 7(3n+6)=189 | | 23+5x=13x | | =-2+2.5n | | 7(2x-3)=2+3(4x-5)+3x | | 13=m+15 | | 40-0.05(x-100)=10 | | 13x=23+5x | | 3x-5(x-3)=-7+3x-18 | | x^5+2x^4-ax^3-x^2+bx-2=-7 | | 120-92x+12x^2=0 | | 3x+6=4x-13 | | 3u+2u=30 | | 15=5a+2a | | 9=11-2y | | 4x^3-46x^2+120=0 | | -27=5w+3 | | 15tan^2x-5=0 | | 9=v+19 | | -4n+5n=2a | | -6=2+4u |

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