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13/14-(2/7) = 0
0.003*x^2
((3*x^5-(5*x^2)-2^pi)^1)/4
11/13-(5/13) = 0
2^pi
| 150/(3/4) | | 4.9=a(1)2+b(1)+0 | | 15+a=60 | | 13/14-2/7 | | n-45=-70 | | 6x-4x=5x-7 | | z+2+4z-17+90=180 | | j+a=60 | | z+2+4z+17+90=180 | | 3J^2-20=-12 | | 100x=19.5 | | 11/13-5/13 | | 2x-50=2(x)-390 | | F(100)=0.41In(100+1)+31 | | 3x+4+2x-9+90=180 | | 3x+4+2x-9=180 | | 2x-50=2x-390 | | 4.9=a+b | | 4y-12x=36 | | 4=22d | | 19.6=4a+2b | | x+x-50=2x-390 | | 6y-5(1+2y)=3-2(1-y) | | 8x+17=7x+19 | | 4x+3+9x+5=47 | | 6y-5(+2y)=3-2(1-y) | | 5y+5x=-5 | | 20=x/3 | | 2x+2+7x+8=55 | | 6(a+4)=36 | | a=700(1+0.09)*3 | | 2x+9+6x+4=37 |