Question - Solving an Arithmetic Expression
mathaddition of numberssolving arithmetic expressionpositive and negative numbersresult of expression
Solution:
To solve the given expression:21 + (-21) + (-4)First, add the positive and negative 21 together. This will cancel each other out because adding a number to its negative is equal to zero:21 + (-21) = 0Now you're left with:0 + (-4)When you add zero to any number, the number remains unchanged. So the answer is simply:0 + (-4) = -4The result of the expression is -4.
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