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6*x^5-13*x^4+22*x^3-15*x^2-21*x+58;2*x^2-x+7
113.84;104.4;71.42;56;35.27
y = 4-2*x;-2;4
4-(0*2)
1/x
| 0.2x+x=5000 | | 15/108÷4/9 | | 15/108*9/4 | | 0.2x+x=4000 | | 15/108×9/4 | | x+0.2=4000 | | sin(x)tan(x)=4 | | 2*(x-1)=4-x | | (sinx)(tanx)=4 | | 2x+4=2-4x-1 | | 40+2x=2y | | cos(3x)=0.9 | | sin(3x+15)=0.5 | | .70x+.50y=6.30 | | 7(6x+6)=966 | | 7(6x+6)=996 | | 2x+15=9x-160 | | 9(9x-5)=1008 | | 8x+10=5x+52 | | 10x-17=8x+23 | | 10(8x-6)=2020 | | 3x+y+5=100 | | 9x-1=6x+83 | | 5(5x+10)=500 | | 5(5+10)=500 | | 9x+3=6x+75 | | 4x+1=x+52 | | 8x-7=3x+138 | | 2X^2-2AX+A^2-4=0 | | 7(4x-5)=-7 | | 57=19p | | 1/2x-2=1/2x-3/2 |