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Question:
Solve: 20 - 2( t - 4) =16 + 2t
A
3
explanation
20 - 2( t - 4) =16 + 2t
Distributing, we get:
20 - 2t - 2(-4) = 16 + 2t
⇒ 20 - 2t + 8 =16 + 2t
⇒ 28 - 2t = 16 + 2t
Adding 2t to both sides and subtracting 16 from both sides we get:
28 - 2t + 2t -16
=16 + 2t + 2t - 16
⇒12 = 4t
⇒ 4t = 12
=>t = 3
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