Question
Find an integer x such that:
x + 5 = 0
x + 5 = 0
✓
Answer
x + 5 = 0
⇒ x + 5 - 5 = 0 - 5 [subtract -5 on both sides]
⇒ x + 0 = -5
x = -5
⇒ x + 5 - 5 = 0 - 5 [subtract -5 on both sides]
⇒ x + 0 = -5
x = -5
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