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Evaluate the expression.\newline2−−4÷22 - -4 \div 2

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Full solution

Q. Evaluate the expression.\newline2−−4÷22 - -4 \div 2
  1. Division Calculation: First, we need to do the division according to PEMDAS. So let's divide −4-4 by 22.\newline−4÷2=−2-4 \div 2 = -2.
  2. Subtracting Negatives: Now we have 2−(−2)2 - (-2). Subtracting a negative is the same as adding a positive.\newline2−(−2)=2+22 - (-2) = 2 + 2.
  3. Final Addition: Finally, add 22 and 22 together.\newline2+2=42 + 2 = 4.

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