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1800 = 4/3600
0*x+0*y;0*x+0*y
4*x
4*e^(-4*x) = 0;x
x
2*y-(5*x)-6;y-x-6
| 180-109= | | 1800=4/3600 | | 5x+2=-19x-6 | | 6/x=15/10 | | .05x+.10y=18 | | 6/8=1(3/4x) | | 6y+14(-14y+17)=-142 | | 4x+33=172 | | -14=(15-m)/3 | | 9-1(2x+3)=2(x+3)+x | | 5x^2/45x^5= | | 5/4x=14/2 | | -x+21x-30-8x+4x= | | 6y-9+2y=0 | | 5k+19=-11+8k | | =sin(0.72) | | 6m+4=-20 | | 2-x+21x-30x-8x+4x= | | =(2yx)(2xy) | | 20x=7x+40 | | -3=-6-(x+15) | | 8x-2.8=21.6 | | 80-18v=-13v+15 | | =(2xy)(2yx) | | 4-1/2x | | 8r+5=86-r | | -x+21x-30x-8x+4x= | | 7y+19=110 | | 10p-7=8p+3 | | 2(5x+2)=-5(2x-5)-3x | | 4n-13=67 | | -11y=4-6y |