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2*cos(x)*sin(x)
7;10;7;8;0;0
(-7*(8/1))/2
14;25;3;5;0;0
(2*(-1/5))/9
| 2/3×-7=4×-8 | | -2y+9=-27 | | 2x-51=19 | | -3+6x=67-4 | | (3x+11)+(10x-12)=90 | | 3d-12+5d=8d-12 | | 17cosx-15=0 | | (-2.7)+4.9x=-13.2 | | w-(-8)=-15 | | 2x+6-x=44-15+35 | | 3(x-2)+5=4 | | x^2-4x-7=2cosx | | 8/1*-7/2 | | 9(8d+7)= | | -8(x-3)=-72 | | 4x+3x+x=-152 | | -1/5*2/9 | | n-22=15 | | 5x+1=6x+9 | | 2.43+x=-.3 | | 2h-14=-15h | | -3(3+7p)=138 | | fx=(4x-7)+(x-x+3) | | 3y+19=11y-21 | | Y=-2x^2-21x+11 | | 5550000x+2085000000=25000000 | | (b+10)(3b)b= | | 4(x+6)-2(x-4)=40 | | V+1-2v=5 | | -8*-5/2 | | -12*3= | | 84=x+37 |