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2*(4/9)
4/9*2
8/9
| 93-8.9a=39.6 | | 19g=kg | | 4z+1=15-3x | | 7x+1=-111 | | x+(-5.9)=-6.9 | | f(x)=8x^3+6x^2-27x | | 4x^2+12x+4y^2+28y-86=0 | | D=23cm | | 3X=X-15 | | 10(pi/2)x-x | | X=-x-9 | | 6x-7=251 | | 4-5/3x-6= | | 50/30=15/x | | y=11.5 | | 8x-10=-18 | | 72+4x=80 | | -61=5x+6 | | -3x-1=x | | 50x=20x+15 | | -61=5t+6 | | -1/2x-98-99= | | X+2.5=17.6 | | 1/2x6x8 | | 2/5X=4/7Y | | 5(2p+5)+4(2p-3)6= | | 5p+15= | | x(4x-48)=0 | | 6x-60+60=180 | | 44-44= | | 4c+16= | | 11(x+2)=8x+40 |