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-6.9 = 4/3-2.1
-6.9 = -0.76666667
L <> R
| 80=36+d | | 7s+2= | | 12(x-1)=24(x+1) | | 3x+2y=7x-y | | -3/2v=-9 | | -20a+14un+18un-3=-15 | | 4s+13+s=2s+40-6 | | -4x-8y=-60 | | p+2t=c | | 3x^6-75x^2=0 | | (7)/(4y^2)-(7)/(3y) | | U^2-24u-48=0 | | -10-2/7v=2 | | 5x-4x-1= | | 8k+-48+58=8k+5 | | M^2-16m=18 | | 3/-2/7 | | 3ab-9ab+7ab= | | 100+20x=300 | | (D^2+D+4)y=4+4x | | 3(x+1)=2x-y | | 92=j+-54 | | 2(x-4)=4a+2b | | 24=3v+3 | | 0.2x+0.4=11 | | 4a+8+8+28=8a | | (-8x)-(3x+6)=4-x | | -(n+-6)-8=-(1+n) | | 17=w/5-14 | | 5.33333333333= | | -(3x-13)+2(4x+5)= | | (-4)+4x=24 |