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2 answers:
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Answer:
y = 2
Step-by-step explanation:
Given
(y + 7) = 3(y - 1)
Multiply both sides by 3 to clear the fraction
y + 7 = 9(y - 1) ← distribute
y + 7 = 9y - 9 ( subtract 9y from both sides )
- 8y + 7 = - 9 ( subtract 7 from both sides )
- 8y = - 16 ( divide both sides by - 8 )
y = 2