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5-(4/x)
3*x-(1/5) = 15/25
1;9;997;3520;0;0
X+8*y-13;4*x+4*y-17
2*x+3*y-6;X+3*y-3
| arctan(1/4) | | sec(arctan(1/4)) | | x*x-39=42 | | 3x-1/5=15/25 | | 2a+2a=1a | | 16cos^4-9=0 | | 4x+246=8 | | 16cos^4-0=0 | | 5/7d(3/4d-6)=0 | | 1+r+3r^2-(2r^2+2r)= | | Y=2g(x-7)+3 | | 6x^2-66x+68=0 | | (2x-1/3)-(x-2/4)=1 | | f(x)=2x^5-3x^4+3x^2-2 | | 0.4(x-0.5)=13 | | f(x)=4x^3+6x^2-18 | | x^6-1.21= | | x^5+4x= | | 3x+2x+26y+21y=360 | | x^6-0.64= | | 1x+2=7-8x | | 90x+30=120-30x | | 109x-108=178+90+6x | | x^2-7x+10=fx | | 6/8×2/4 | | 89x-38=78+9+6x | | 36x+58=16-7x | | 56x+78=36-9x | | 39x+12=30+10-11x | | 38x+10=28+8-9x | | 29x-10=11+8x | | 20x+70=90-90x |