alexa211297 alexa211297

18-03-2021
Mathematics

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7(5x + 7) = 399 can someone tell me what is x with steps please and thank you

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Аноним Аноним

19-03-2021

Answer:

x = 10

Step-by-step explanation:

[tex]7(5x+7)=399\\\\35x+49=399\\\\35x+49-49=399-49\\\\35x=350\\\\\frac{35x=350}{35}\\\\ \boxed{x=10}[/tex]

Hope this helps.

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