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20;5
3 = x/2-1;x
x
3*x+7 = 2*x+1;x
x
3 = x/2-1;x
x
20;72
| tan^2(x)-2secx=-1 | | 18=2f+5 | | x^2-9x+19=x-5 | | H(t)=30+25t-5t^2 | | -4+6x=-125-5x | | 3x+3=5x+.5 | | -2x+12+6x=40 | | -84=12+8n | | x-5/x-13=3 | | x^2-6x-49=-6x | | 2x^3-10x^2-20x=0 | | n+7.1=10.3 | | 0.10+0.05(2d-1)=0.55 | | x^2+8x=-x | | Log0.2/log2 | | 15x/64=45/32 | | 12-3n=33 | | x^2+11x+13=3 | | (2x-9)(x+8)= | | -3(7x+4)=-21x+12 | | 23n-8.5=101.5 | | 1.7x=13.6 | | -10=-1-3/2t | | 3x-2/6=2/7 | | 0=2x^2-12x+5 | | 55+0.25t=-5 | | -26=-3a+7 | | -26=-3a | | 55+0.5t=-5 | | 4x+2x-10=6x+5 | | 2m/3-2=4 | | 5=50Q^-1/2 |