Algebra, explain how to please

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Can someone explain to me how to solve
It would be greatly appreciated
thank you

  • Algebra, explain how to please -

    First multiply both sides by 5/2

    -35 = 9-2b

    Then subtract 9 from both sides and multiply both sides by -2.

  • Algebra, oops -

    You are supposed to divide both sides by -2. Sorry.

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