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81/12 = 0
27/4 = 0
L <> R
| 1.75+0.75t=4.75 | | x^4-22x^2+21=0 | | 16-3p=.66p+5 | | -8=4/9t | | 17x-15-70=15x-60-15x | | -4x+y-z=21 | | 3[x-(5+6x)+8]=6x+3 | | 5h+10=20 | | 7b+1=99 | | -7x-4=28 | | 1800+65x=95x | | 9x-26=80 | | 0.4*x^2+3*x-135=0 | | 7*c=616 | | 21-4s=9 | | 1800+65=95x | | x+3x+5x-90=180 | | 8=4/9t | | x+4-9=14 | | 11=21-2w | | x+3x+3x-30=180 | | 4m-6(1+m)= | | 3x-51=42 | | 134+2h=924 | | 3x^2-19-14=0 | | 13.94+0.08=14.69+0.11 | | 3x/5=2.4 | | 6v-10=8 | | 2(-8)-x=19 | | Q/4-3=3 | | -5(2n+8)=-120 | | (19+x)*5=850 |