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22-11-2020
Mathematics

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what is the sum of (-2.1x + 3.7) and (5 + 4.9x)?

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Аноним Аноним

22-11-2020

Answer: [tex]=2.8x+8.7[/tex]

[tex]=-2.1x+3.7+5+4.9x[/tex]

[tex]=(-2.1x+4.9x)+(3.7+5)[/tex]

[tex]=2.8x+8.7[/tex]

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