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Question
Solve the following equation.
2(x − 4) = 4x + 2
Solution
2(x − 4) = 4x + 2
⇒ 2 × x − 2 × 4 = 4x + 2
⇒ 2x − 8 = 4x + 2
⇒ 4x + 2 = 2x − 8
⇒ 4x − 2x = − 8 − 2
⇒ 2x = −10
⇒ x = `(-10)/2`
⇒ x = −5
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