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4.2;36
42;36
11/22 = x/13
763;3
2*(x-1) = 5*(x+1)
| x+(x+1)=114 | | 4x-15x=94-17 | | 11/22=x/13 | | 6xy+7x=7y+1 | | 1-z=2z | | -3-24=m-12 | | (t-5)210=41790 | | 24x-18=30+12x | | X+5+y=9 | | 23x+2y=-11 | | 11x+40=27 | | e^21nx= | | d=b^2-100 | | 6x-27=-33 | | x^10/x^4 | | 4-2xn=6 | | 7x^4y^2/10n^5/14x^2y/5mn^2 | | 7+2(m-4)= | | 4x-6y-9=0 | | K/8=-12 | | (x^2-25)*(x^2+25)= | | 3z^2+5z^3=0 | | 4a+4=4a | | 40x+15y=1500 | | 2x-11y/8x-7x-7y/8x | | M-21=-16 | | 5/6(2x-3) | | 3x(x-10)=2x | | 63-x=52 | | 3x-4+4=7+4 | | F(-5)=x^2-8x+4 | | x-54=8 |