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x/0.2 = 21/7
4.2/3 = 21/x
21/3 = x/0.7
9/x = 1.2/1.6
4/6 = x/30
| .30*x=12 | | 53.07=.61*x | | (.1325-Rf)/1.22=(.10-Rf)/.70 | | X-(.333333X)=350000 | | (3m-4q-6)+(12q+5)-(-10)=equation | | 53.07*61=x | | .70*x=35 | | 5/r;30r | | x/0.2=21/7 | | 4.2/3=21/x | | -5(2y-9)-y=-4(y-2) | | 21/3=x/0.7 | | 100x=2.20 | | -4(3+5)+6f=-24 | | 9/x=1.2/1.6 | | 4/6=x/30 | | 3x/10-x/6=-4/5 | | x^2-24y^2+5xy=0 | | 3-4/5t=5 | | 9xy^4(4xy^2-2xy+4x)= | | x*1.15+(1-x)*0.85=1.05 | | ((30x-300)/(600-20x))=1 | | 2-((-21)/(-7)) | | 16.5+2x=7.5+4x | | X^3-X=720 | | 10bc/25cd | | 9sinx-5=0 | | 9x+12y=.6 | | 168=103-w | | 3ln3-ln6/2ln6-ln3 | | C-9/4=6 | | 5w-3=4w+10 |