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(cos(x))^2
21;6
81;18
10;3
48.90;0.3
| 2+log(8x)=17-2log(x) | | 7x+9x=-2-6 | | 33+9+x=180 | | Y+76=90 | | 83+70+x=180 | | 59+1+x=180 | | 40+4y=3y+6 | | x^2+2x=26 | | -2w-6=2(w-5) | | 122+30+x=180 | | 3(2b+6)=4-8 | | 0.2x-8=0.4x-7 | | 90+64+x=180 | | 3y^3/3y^2 | | 28xy/49yz | | (ax)(ax)= | | 5x+6=8y-12 | | 18z=252 | | 208=123-y | | 1/4x-1=34 | | 8x-32=4x+4 | | X^2-31x=169 | | 23+-35=p | | 3a+2(3+a)= | | 8(x+5)=-2x-40 | | 4x-7=-2x+4 | | 1/4X-Men | | 3(2+10)= | | y=11/5x | | 8x-111(x-2)=-8 | | 59=4x+3 | | 3x+7=c+15 |