Question

In the following formal proof, what is the missing reason?

Prove x = 6 if 2x + 5 = 17
Statement
000
1) 2x + 5 = 17
2)
3)
a
Multiply both sides by 2
b Divide both sides by 2
C
d
Add 4 to both sides
Subtract both sides by 6
2x = 12
x = 6
Reason
1) Given
2) Subtract 5 from both sides
3).

Answer 1

The missing reason in the proof is 'Subtract 12 from each side'.

Step-by-step explanation:

1. Given
2. Subtract 5 from each side
3. Subtract 12 from each side

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