Mathematics, 23.11.2020 22:00 haileysolis5

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simplify: 3x – 7 + 5x +8
simplify: m + m + 3m +4

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Just help me please! simplify: 3x – 7 + 5x +8 simplify: m + m + 3m +4

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Just help me please!

simplify: 3x – 7 + 5x +8
simplify: m + m + 3m +4