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What is the value of the expression below when w=4 and x=5 ? 9w-7x Answer:

What is the value of the expression below when w=4 w=4 and x=5 x=5 ?\newline9w−7x 9 w-7 x \newlineAnswer:

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Q. What is the value of the expression below when w=4 w=4 and x=5 x=5 ?\newline9w−7x 9 w-7 x \newlineAnswer:
  1. Identify values for ww and xx: Identify the values given for ww and xx.ww is given as 44.xx is given as 55.
  2. Substitute values into expression: Substitute the values of ww and xx into the expression.\newlineThe expression is 9w−7x9w - 7x.\newlineSubstitute ww with 44 and xx with 55.\newlineThe new expression is 9(4)−7(5)9(4) - 7(5).
  3. Perform multiplication: Perform the multiplication in the expression.\newlineCalculate 9×49 \times 4, which is 3636.\newlineCalculate 7×57 \times 5, which is 3535.\newlineThe new expression is 36−3536 - 35.
  4. Perform subtraction: Perform the subtraction in the expression.\newlineSubtract 3535 from 3636.\newlineThe result is 11.

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