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(-x^2-7)^2=0
| 3(f+6)=3 | | 2x+9=x+2+x+7 | | 2x^2-8x=-24 | | 2x(x+4)=4 | | Y=26(1.2)*t | | (n+6)=(n+1) | | (n+6)=(n+1) | | (n+6)=(n+1) | | x-12=3,5x | | 12(x-7)=11 | | x=25000*(1+x/100)^18 | | 2(3x+6)+4=18 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 9x-6=32 | | 3=25a | | 3=25a |