Let's prove the following theorem:

if the following are true:

then c = d / b

Given

1	a / b = c
2	d = a

Proof Table

#	Claim	Reason
1	c = a / b	if a / b = c, then c = a / b (Symmetric Property of Equality)
2	a = d	if d = a, then a = d (Symmetric Property of Equality)
3	c = d / b	if c = a / b and a = d, then c = d / b (Divide Substitute)

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