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{:[-7-(-2)=],[39-46=]:}

7(2)=3946= \begin{array}{r}-7-(-2)= \\ 39-46=\end{array}

Full solution

Q. 7(2)=3946= \begin{array}{r}-7-(-2)= \\ 39-46=\end{array}
  1. Subtracting Negative Numbers: Calculate 7(2)-7 - (-2).\newlineReasoning: Subtracting a negative is the same as adding.\newlineCalculation: 7+2=5-7 + 2 = -5
  2. Simple Subtraction: Calculate 394639 - 46.\newlineReasoning: Simple subtraction.\newlineCalculation: 3946=739 - 46 = -7