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(21*x)/sin(x)
720/10
a^5
a^2
-4/5-(1/2)
| -2y=-6/5 | | x+7+2x+6=180 | | 8-x=221 | | 3z-4=7z+11 | | 5(0)=4y-11 | | 5x(1-3x)=0 | | 60n=-55 | | 7z+-8+z+2=90 | | 3p-2n=m | | 7z+-8+z+2=180 | | 6b-3(3b-6)= | | 7y-7=3y+9 | | 2a-12=5a | | -1.48x-3=1.23x-8 | | -5(1-x)-3(2x+3)+5= | | 2.5=e+e | | 4c-5c=6 | | 7s+3=7s-5 | | 3(8z-1)+10-6(5+3z)= | | (x-1)/7=9/y | | 4y+36+3y-2=90 | | 2y+18+6y-4=180 | | 2y+18+6y-4=90 | | X^4/5y^2 | | 2y+18=6y-4 | | 33x-9+90=180 | | -x-7y=-17 | | y=0.3y+5.6 | | 3x-20-5(x-80)=-2 | | 6w-14+4w+14+3w+14=180 | | -7x+2x=n | | 4m+30=6m |