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17/30
0;0;-65;19;5;0
0;0;-13;19;5;0
1;4;1/4;0;80;80
1;3;0;0;50;0
| X+(x+50)+(2x+50)=750 | | 100=.5*b*20 | | X+(x+50)+2x+50=750 | | 0.09xX=85.90 | | 14tan(40)=x | | 100=1/2*b*20 | | 2(3)+x=-1 | | 7x^2=4x-2 | | 4(x-1)=3x+12 | | 1/3x13 | | (8/9)(-6)= | | 3x(x-8)=24 | | 4x+(7x+2)=90 | | 4x^2+56=168 | | 1000+10x= | | X+(x+50)+2(x+50)=750 | | 2x-67-x-23+3x=360 | | 9j+5b=65 | | 18x+8=17+13 | | 4/2-;2/15 | | -12=3a | | -2(-4x-6x)=-10+3x | | 22x+60=18+7 | | 7(m+5+4n)= | | 6(x-1)+3x=5x+3(X+4) | | 6(n-1)=2(2n+2) | | 2=5n+17 | | 8x+13=22 | | 0.09xX=59.79 | | 17=6p+5 | | 5x+(10x+15)=180 | | 3a+7=56 |