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-0.9762*x-(0.8321*y)-20;0.5546*y-(0.2169*x)+22.13
7;9;8;9;4;3
6534;4
1/(x+4) = 0;x
x
1/x+4 = 0;x
x
| 7(s-84)=91 | | y=-x^2-8x-8 | | 3y-11=-26 | | 3(n-42)=75 | | db=1b | | 0.4r-7=-0.3r+2.8 | | 7+x=8-x | | x-6.1=12.12 | | 6(y-76)=54 | | 6+6q=48 | | 28,716.3467=4/3*3.14 | | 38-(-6)= | | 8(2x+7)=64 | | (ln15)/(ln3) | | -m-23=12 | | 7*(15-x)=49 | | 250*0.2= | | 4(3x-21)=24 | | 6*(x+8)=60 | | 3x+2+x=1.3(12x+6) | | 9(2-x)=81 | | 6x-2[3-5(x+2)+2x]=2(4x-3)prova | | 6(x-5)=1.2(x+2) | | (-9x-4)(8x-5)= | | F(t)=4t+2t-7 | | -1(2n+6)=2(-4n-3) | | -6(w+5)=-3w-6 | | 68+(3x+1)= | | 5s=50 | | 2(2n+5)=22 | | 5x-2x-12=3x-12 | | 2x(x-11)=0 |