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1900;5
1;2;1500;1;0;0
380;9
18/c < 9
3.29;0.4
| 67=4w+11 | | 10=v+4-4v | | 18/c9 | | -x-7y=1 | | x+.075x=800 | | 80x+53=3 | | -7=3(w-7)-5w | | 65x+6y=100 | | -2(x+3)+5x=-12 | | 6-5(-7x-5)=15 | | Y=80+12X | | 11-4x^2=155 | | 6=6a-4a | | -10x/4x | | 4x-12=5x-10 | | 27.8=4n-1 | | 5x-48=-18 | | 5a-13=22 | | 64=8(r+2)+4r | | 9(x-1)=-18 | | 72x+8y=100 | | 16.1=3n-4 | | 2(5x-7)-8+3(5-x)+2=180 | | -2v-5v=-7 | | 65x+8y=100 | | F(x)=2x^2+16x-4 | | -v/5=2.4 | | (180-17x)+(7x+30)=120 | | 215+y=x | | 3.8=1.3-0.4y | | 5r+3=1+6r | | 6-3x=-6x-30 |