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7/15-(-4/3) = 0
7/15+4/3 = 0
9/5 = 0
L <> R
| (1.5x)(0.8x)= | | 4/3x+4y=1 | | 12x^2-36x-2=0 | | 5/9+4/9 | | -1/20+3/8 | | -18y+14=-166 | | 3/25/(-3/10) | | 5x-(6x+3)=9x-33 | | -(7y+1)-(-6y-4)=2 | | (7/13)/35 | | -3/2*14/9 | | 55/(11/13) | | 15=2v-9 | | 42=7t-42 | | -7x+8y=-2 | | 5/(11/13) | | 55/11/13 | | -2x-49=-8+23 | | -7/33/(7/-11) | | 14.95+0.13m=-15.00+0.39m | | 15-2v=9 | | 21x^2+105x+28=0 | | 5a-2=6(a+4) | | 24=m/-5+17 | | 5/6-(-3/2) | | ((y^2/4)3.14)-((x^2/4)3.14) | | -11/12+1/18 | | g/12+(-8)=-5 | | 2/21/(-2/35) | | 14.95+0.13m=50 | | 4v+5=13 | | 21/77/3/28 |