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62.72;7
21.05;4.6
1.24;3.17
90.6;10.2
2.04;0.017
| 5(1.6+0.4x)=2x-8 | | 66+2b=99+66b | | X^2-56x+24=0 | | 2a+2b+2c+2d=a+b+c+d+890 | | 2x+2b=35x+78 | | x+x(.08)=1344.68 | | 9x^2+35x-1250=0 | | n+11=-4+4n | | 16+0.25x+2=9x+18 | | x^3+3x^2-18x+16=0 | | 1/4×13.1 | | x-9=-8x | | 5x=13.5 | | 4x-105-9x=40 | | 7x+33=5x-1 | | X(x+4)fromh(x)=x^2+4x | | 1=-4.9t^2+3.5t+10 | | 3.7x-15.53=2.6 | | 4x-8y-7x+6y= | | 1/2x-7=2-y | | 4x-6y-9x+4y= | | 4x-6y-9y+4y= | | 3x+42+x+30=180 | | 5s+10a=2075 | | 5s+10a=300 | | 28n=3(16-4(1-n)) | | -2x+113=-112-11x | | 4-4a+a^2+8+6*a^2+12a+a^3= | | x+7.6=9.46 | | 10+7x=6*-10 | | 2(b+5)-3(b-3)=4 | | 2(x-3)=-3x-31 |