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(cos(2*x))^4
(1/2)*(e^x+e^-x)
S/14 = p
1458;1800
k/3-k = 4
| 13x-8=5x+16 | | 4(5X-3)=3(X-3) | | 7x-(5x-4)=8 | | (10x*40)=50 | | F(x)=20(1/4)^x | | 105(0.6x+1)= | | (9x+11)=124 | | (8x+12)=76 | | (8x+12)=104 | | S/14=p | | (5x+15)=115 | | 4b+4=7b-17 | | x-4+1=-6 | | 36-x=9x-26 | | r=0.7 | | A=pirs+pir^2 | | 7n+9=5n+21 | | -6(4y+9)= | | X^2+x=11.25 | | sqrt(x+1)+sqrt(x-1)=sqrt(2x+3) | | 7y+7x=1736 | | 7x+7y=1736 | | -9-[(-6-4)+11]-18= | | k/3-k=4 | | 28(w-946)=924 | | 7(q-842)=749 | | (n*n+5*5)-(n*n+3*3)=4(n+4) | | 6(x+3)=-4(3x-6)+8x | | (n+5)-(n+3)=4(n+4) | | 10+6d=13-d | | z/31-3=1 | | 6(v-5)-8=-5(-3v+4)-5v |