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4 years ago

11

Solve 2a − 5d = 30 for d

2 answers:

vekshin14 years ago

7 0

2a₋5d=30

⇒2a-30 = 5d

⇒d = (2a-30)÷5

valina [46]4 years ago

6 0

$2a - 5d = 30\\
5d=2a-30\\
d=\dfrac{2a-30}{5}$

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