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-9/(-7) = 0
9/7 = 0
L <> R
| 5x+4=-9+8 | | -15=5-7x-3x | | (a-4)(a+4)=20 | | 9x/14+3/7=9/17 | | 63-3x=3x-3(-x-6) | | 8x^3+72x^2-73x-5=0 | | x^2-30=166 | | 0.04x=0.08-x | | 5x-8=13+7(x-2) | | 12+21=3(4x+6) | | 23/4*x=67/8 | | 2-m=14 | | 4t^2+24t=-32 | | 5x-4y=21 | | 9n+8=9n+8 | | 2(8k+1)=50+4k | | 2ln(x)-3ln(1/x)=10 | | 14x+24=16x+14 | | 6-5(m+1)=26 | | 5x=-2+35 | | x/6-7=x/6 | | 10x-10=3x-7 | | 2x+9=3x+15 | | 9(8-f)=5(12-f) | | 5(4x+3)=9(x-2)-x | | V/7x=w/y | | 0.04=0.08-x | | 67-(5x+5)=-3 | | 3t^2-42t=-120 | | 9+15t+13p-5t-5p-28= | | 16x^2+24x-9=0 | | M=2-14 |