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58.89;15
17.9*a+b-140;4.54*a+b-176.86
4;5;0;0;1;4
4;5;5;6;1;4
4;5;0;0;1;4
| 11-(4-6)+5(13y+1)=9 | | -3(3z+8)-4(2z+5)-5z= | | 2(x-4)-8=-8 | | -5(3z-4)+4z=-4 | | 21x-109=206 | | (x+50)=y | | 9(k+3)-(-6k-4)=14k | | 19x-101=260 | | y=8x-1/2 | | 0.78+8.79= | | 17x-150=343 | | .15x=28.14 | | -y-2xy-11=0 | | 8=2x-17 | | 2x+y=3x-1 | | tangox=0 | | 15x-138=267 | | 2x+2y+xy=0 | | 11x-73=202 | | 2x^2+3xy-2y^2+5y-5x+2=0 | | 3nsquared-4n=5 | | 2x+2y+xy=-4 | | 7x-25=122 | | -9x+6x+19-8x= | | 7x+50=10x+15 | | (-3x)(-4x)= | | 5x-19=71 | | 2x+5x-3x-5=3 | | -16(4/3)y=55 | | 8(7-k)=-24 | | 15x+5=20x | | (p+6)x^2-2px+1=0 |