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x/(x^2+1)
3624;12
2*x+y = 11;y
y
1691;19
2*x+y = 11;x
x
| y=7(x^2+2x+3) | | 3x+450-21x=450 | | 3x+7=29-3x | | 3x+7=-29-x | | 3(2h-1)=2h+5 | | 2x-4/3=-6 | | 31-3b=7(4b+9) | | -8=-8(x+7) | | 1/6=1/2-1/3x | | -(2(x-1)-7)-(9x-(3-x))=0 | | 24=-7x+8x | | -4(x-4)=2(x+10) | | h^3+2h^2+6h+5=0 | | 80=x(5x) | | 2u/9=10 | | X^3+12x^2-13x=0 | | 29+a=54 | | f(2)=3(2)+4 | | 4x-1=14x-64 | | s+11=-684 | | 2y+9=15+4y | | g(n)=3n/2 | | y-22(1)=5 | | 3(x+3)+2(x-1)=5(x-5) | | 4x-(2x+3)=5x-33 | | (y+52)+(2y+17)=180 | | 0.7x-1.5=0.4x+1.2 | | -12+20x=8x-48 | | 12x+16=9x-11 | | T=5p-17 | | X*12=10x-15 | | T=tp-17 |