Questions: Evaluate the expression, if possible. (If an answer is undefined, enter UNDEFINED.) 80-2[19-(7+8)]

Evaluate the expression, if possible. (If an answer is undefined, enter UNDEFINED.) 80-2[19-(7+8)]
Transcript text: Evaluate the expression, if possible. (If an answer is undefined, enter UNDEFINED.) \[ 80-2[19-(7+8)] \] $\square$ Submit Answer Home My Assignments
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Solution

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To evaluate the expression, follow the order of operations: parentheses first, then brackets, and finally subtraction. Calculate the innermost expression first, then proceed outward.

Paso 1: Resolver la expresión dentro de los paréntesis

Primero, evaluamos la expresión dentro de los paréntesis: \[ 7 + 8 = 15 \]

Paso 2: Sustituir y resolver la expresión dentro de los corchetes

Sustituimos el resultado en la expresión original y resolvemos dentro de los corchetes: \[ 19 - 15 = 4 \]

Paso 3: Multiplicar y restar

Sustituimos el resultado en la expresión original y realizamos las operaciones restantes: \[ 80 - 2 \times 4 = 80 - 8 = 72 \]

Respuesta Final

\[ \boxed{72} \]

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