ursus-particularies
ursus-particularies
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12y + 39 = 25y - 3 42 = 13y y = 42/13 y = 3 + 3/13
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12y + 39 = 25y - 3 42 = 13y y = 42/13 y = 3 + 3/13
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3.375 gm / 5 ml = concentration 0.675 gm / ml = concentration (divided the figures in the line above, same as 0.675 gm / 1 ml ) Dose to be given = 2.5 gm 2.5 gm / 0.675 gm/ml = dose to be given in ml 3.7 ml = Answer Careful people w…
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I get x = 2 checking my result 2x + 3 = 4 - 3x + 9 3 = 4 - 5x + 9 3 = 13 - 5x 5x = 10 x = 2 substituting x = 2 into original 3(4 + 1) - 8 = 4 - 3(2 - 3) 7 = 4 - 6 + 9 13 - 6 = 7 check, double check, Q.E.D.
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I get x = 2 checking my result 2x + 3 = 4 - 3x + 9 3 = 4 - 5x + 9 3 = 13 - 5x 5x = 10 x = 2 substituting x = 2 into original 3(4 + 1) - 8 = 4 - 3(2 - 3) 7 = 4 - 6 + 9 13 - 6 = 7 check, double check, Q.E.D.