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Question
Solve the following equation: y − 5 = 1
Sum
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Solution 1
y − 5 = 1
⇒ y − 5 + 5 = 1 + 5 (Add 5 to both sides)
⇒ y + 0 = 6
⇒ y = 6
Thus, the solution of the given equation is y = 6.
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Solution 2
Given:
y − 5 = 1
−5 to the right side by changing its sign from − to +
y = 1 + 5
y = 6
Thus, the solution of the given equation is y = 6.
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