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cos((2*pi)/4)
11 = 3*x-7;x
x
e^-11
(x^2)/2
(-0.9)^2
| Z=8xy | | 9+3x=5(-x+3)-22 | | 3w^2+27w+60=0 | | 7.5÷2/3 | | 2.5d+4.25=2+3.25d | | 2x^2-5x-84+3x=0 | | x^2+14x+46-6=0 | | 144=8y | | 8(7a+5)-8a=8a-40 | | 11.7b+9.74=-9.46+10.7b | | f(24)+100=2200 | | 2w+2(2w+5)=36 | | 25h=275 | | 5/7=x/6 | | 8-7x-3=-29+5x-14 | | (-5/x^3)(-8/x^5)= | | (20x+80)H(5.5-x)+(100x-320)H(x-5.5)=2200 | | -9x-17(x+3)=5(5x+4) | | -9x-17(x+3)=5 | | -4+-8k=-9k+-12 | | 6(7-x)/5=-1x | | (4x+1)=log(25) | | X-3/-5y | | 7x+66+72=180 | | 2x^2+18=12 | | X=-3-5y | | -18=u-19 | | 1+2(7+-3x)=-5+4x | | .75x+.5=1.25+x | | (580*-19.5)+(2180*19.5)=2200 | | 5x+2x-10=25 | | Y=-12/3 |