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84/(-8) = 0
-21/2 = 0
L <> R
| 3.4=25.8-7u | | 7n^2-36n+5=0 | | sin(72.1)=9.51594 | | 144=-12t | | (3t+10)=(3t-15) | | X=X+2x+12*2x | | 5-3c=c | | 0=x^3+x^2-4x-4 | | -4.4-2=5.5s-4.2 | | X^3-196x+66=0 | | 36/7-1 | | 5d-2=2d+6d | | f(n)=68-2(n-1) | | y=x^2+px+q | | y=x^2+px+q | | sin(72.1)=0 | | 1.5(90+2)15=2b-9 | | -(p-8)= | | b+3.4=3.2 | | f(n)=6+3(n-1) | | 6.1n=9.3-3.2n | | X+2x+12(X+2x)=y | | k^2-6k-3=4 | | 35x^2+42x-24=0 | | -2=r-[-5] | | 225=81-b | | (X-1/3)^2=1/4 | | 2.5x+1=0.5+0.5x | | (3x-9)/(x-2) | | (5x-10)=(2x+5) | | 7x-4=7(x-2) | | 2x-12=76 |