math

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if -1/7x - 6 = 34, find the value of -2x + 3
a) -280
b) -77
c) 395
d) 563

Can you pls explain it for me too

  • math -

    First solve the given equation for x.
    -1/7 x = 40
    x = -280 is the answer. Do you see why?

    Next step:

    Compute -2x + 3.
    That would be -2(-280) + 3.

    Which of the choices is that?

  • math -

    oh, its d!

    thanks so much

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