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Mathematics, 28.01.2021 17:40 millie54

1. If x = -3 , evaluate : 2x + x + 2x + 5 2. 2 ( 2x + 1) + x = x + 2x + 18
3. 2x + x + 2x = 10 + x
Please help thank you in advance :)

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1. If x = -3 , evaluate : 2x + x + 2x + 5 2. 2 ( 2x + 1) + x = x + 2x + 18
3. 2x + x + 2x = 1...
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