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Question
Solve: 18 - (2a - 12) = 8a
Sum
Solution
18 - (2a - 12) = 8a
⇒ 18 - 2a + 12 = 8a
⇒ - 2a - 8a = - 18 - 12
⇒ - 10a = - 30
⇒ a = `(- 30)/(-10)`
⇒ a = 3
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