If $2 + 5a - \dfrac{b}2 = 3c,$ what is the value of $b?$ - The Beat The GMAT Forum

If $2 + 5a - \dfrac{b}2 = 3c,$ what is the value of $b?$

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Gmat_mission: Legendary Member; Posts: 1622; Joined: Thu Mar 01, 2018 7:22 amFollowed by: 2 members

by Gmat_mission » Sun Oct 25, 2020 12:03 pm

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If $2 + 5a - \dfrac{b}2 = 3c,$ what is the value of $b?$

(1) $a + c = 13$

(2) $-12c = -20a + 4$

Answer: B

Source: Manhattan GMAT

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Source: Beat The GMAT — Data Sufficiency | Sun Oct 25, 2020 12:03 pm

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