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30-(15/5) = 0
30-3 = 0
27 = 0
L <> R
| 6w+3(2w-1)=4 | | 5y+9=13y+9 | | 10(12+10x)+11(4-2x)=396 | | 90-15/5 | | 18m-6-m=-16 | | -15+2*10=5 | | -s=4-2s | | n/6=10 | | 3.5x=50 | | 11=5-15 | | 4x^3-9x^2+20x-45=0 | | n-7=16 | | n*3=4 | | x*2-1-6=0 | | -3x+4(-3x-3)=21-6x | | n+16=28 | | -3/5+2/9 | | 143-7x=20x+17 | | 5+-7x=93-35x | | 18y+8=25y-12 | | -6q=9-9q | | 18y+8=23y-4 | | 55d-3(9d+12)=-64 | | 22y+8=23y-18 | | 4x^3=128 | | 62-6x=3x+24 | | 2/3x=-5/6x+2 | | -7-8x=31-15x | | m-3/2 | | 5x+11=10x+15 | | 1/2y+y=-10 | | x^2-53-11=0 |