Step-by-step explanation:
3(13/2) - 2y = 9
39/2 - 2y = 9
39 - 4y/2 = 9
39 - 4y = 9 × 2
39 - 4y = 18
-4y = 18 - 39
-4y = -21
y = -21/-4
y = 21/4
Option B is correct
Answer:
y = - 21 / 4
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