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4/7 = x/42
-1*3-(9/5) = y
9*ln(2*x^2)
x-(1/2) = 1/12
-10 = a/5-2
| 12x-8=10x+22 | | 2(r)+15=-17 | | 6.2n-3.7=85+45 | | H=16t^2+484 | | 4/7=x/42 | | 5e+15=5+12x | | 4d+4=8 | | 18-20b=-18-9b-19 | | 2k-10=42 | | 2x-3.24=-1.1 | | 3(-1)-9/5=y | | x-1/2=1/12 | | 3b-3+4=-2d | | 128-25y= | | -6+10h-12h=-20-4h | | 1900+0.05(x)=2745 | | 3(k-6)=6-12 | | x+(x-90)=90 | | 0.5x+0.6y=5 | | 9x+12=8x-40 | | -4(w-16)+16=12 | | lgx-2(5x-6)-2=0 | | -10=a/5-2 | | .10d+.25q=7.60 | | 99-w=198 | | y/4-6-9 | | 0.5/x=1 | | .10d+.25=7.60 | | 0.5*x=5 | | 0=9+6x+x^2-39 | | -2(v+3)=7(5v+5)+4v | | c=2(pi)18 |