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54/120 = 0
(-1*(8/9))/4 = 0
(8/9)*x-(1/4) = 0
8/b-(9/5) = 0
X/7 = 3.8
| 54/120 | | 8/9•-1/4 | | 8/9*-1/4 | | 8/9x-1/4 | | 5x+4+7x-3=24x+1 | | 1-2x=4x+5 | | 977-365-356= | | 8/b-9/5 | | 977-356-365=qx | | 356+365= | | x+3*x+3=9 | | T^2+6t-36=0 | | -176=h+(219) | | 15-x=-30 | | 1234-r=19472 | | 1234+1234= | | 10.4x+45.06=-9.6x+43.36 | | -7(t-4)-(t+6)=9 | | X/7=3.8 | | 1+2(x-2)=4-2(x-4) | | 3(x-10)=21 | | x^2+22x+3=0 | | 42x^2+25x+3=0 | | 6t+(-2)=-66 | | -12+x= | | X/5.3=7.4 | | 12y-5=47-y | | 6.4x-4y=403x+7y=-31 | | 1-8m^3= | | -19=2x-4 | | 8r^2+r-r= | | 5x*1.5= |