Which algebraic expression models the given word phrase ? 2 times the sum of a and b

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Step-by-step explanation:

We re asked to write an algebraic expression for the given word phrase.

The sum of 'a' and 'b' would be 'a' added to 'b' as: .

2 times the sum of 'a' and 'b' would be 2 multiplied to the sum of 'a' and 'b': .

Therefore, our required expression would be .

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363