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-2*cos(x)*sin(x)
(6*x)/2-(y/2)-3;(2*x)/4+(2*y)/6-8
-28 = -1/14
3;3
6
| 7/12=20/x | | 9(x-2)+7=12 | | x=10*100 | | -54=9 | | 7x+3+4x=14 | | 4g=21 | | 4+8x+10x+6=7+7x-12 | | 4g=20.9 | | 7x+30=3x+10 | | qwerty*qwerty*qwerty=54 | | qwertyuiopasdfghjklzxcvbnm=m | | 5x-10=17+4x | | z=bx+cy | | (x+9)(-1+x)=0 | | (5x+6)(4x-3)= | | 100000x^2-0.00006x+0.000016554=0 | | -12+-5x^2+2x^4=0 | | 4v=8v | | 3a=-3a | | 10x+4=38 | | 7n+49n=0 | | 1.1f-6f=-34.3 | | 4x-11=2(x-3x)+13 | | 2r-10r=0 | | 7r-14r=0 | | 8y-6y=28 | | 3v+18v=0 | | 1.1j-6j=1-34.3 | | 2k=x^2-x | | 5w-15w=-90 | | X+5x+4x-15=180 | | 16=6(-4+2x) |