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(2^x)/(tan(x)+x)
8/a-8 = 6/7
2*x^3-(9*x^2)+7*x+6 = 0
15-((1/2)*(15-((1/2)*Q))) = 0
3*x^3+1*x^2-(12*x)-4 = 0
| 122=16t^2+32t | | -7-x+2-3x=-1+4x-9 | | 122=16t^2+32 | | 8/a-8=6/7 | | r-0.7=32.0 | | x+81=70 | | 5[2x+3]=20 | | X(9x+4)(x-1)=0 | | 4t+1=t+13 | | 15-(1/2)*(15-(1/2)*Q) | | 2m-9=14+3m | | -/ | | -4=x^3+2x-1 | | 2y=3x-9x | | 3-1/3-2/9 | | 1-2.5y=4x-3 | | 8x+4=44-2x | | 7y+3x-3y= | | 3x+6=6-5y | | 9p=6p+2q | | 7x+2=-3x-3 | | -1(x+7)=3x+5 | | y+19x=-27 | | (X^2/12)-(y^2/2) | | 4+z=4.5 | | 30-4x=12-7x | | x^2+59x-170=0 | | -1=-0.4(x-2.5) | | X+6+2x=5 | | x^6-8*x^3-9*x^2+16=0 | | 4x+16=32x-92 | | 6.9x-2.2=11.6 |