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4/5-(6/7) = 0
4/5-6/7 = 0
-2/35 = 0
L <> R
| 126=140-0.7x | | 4x^2+10x+25=3 | | 4(1-5n)-2n=-12n-2(n-6) | | -5/6(9) | | 2.8-x+1.5=-1.5 | | 126=140-0.7 | | 3x=9+5(1) | | X+4+3x-8=20 | | -3-(-x)=-12 | | 2xy=xy+2 | | 90-x=6-2x | | (m-21/5)-(4m-12/4)=2 | | 11j=81-16j | | -5x-5=-5(x+1) | | 3x-15=5x+11 | | 11j=81-16d | | 0.3x+0.4x+x=2x-10 | | x^2-3x+2.25=-8+3.25 | | 34+9x8/3-5 | | (3x+3)/5=2x-5 | | 8(x+2y)=0 | | 25x+10x-30x=25 | | -7=8-50+q | | 25x+10x-6x=-25 | | .15p+25=.10p+18.5 | | k-9=-20 | | 20h=50 | | y=7.25x-95.25 | | 18-v=267 | | .15+25=.10+18.5 | | 180-x=2x | | 20b-10b=30 |