evaluate the expression given the values:

(a - 5 - b); use (a = 10), and (b = 4)

7
1
-5
3

Question

evaluate the expression given the values:

(a - 5 - b); use (a = 10), and (b = 4)

7
1
-5
3

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Evaluating Expressions", "Order of Operations" ], "new_concepts": [], "current_concepts": [ "Evaluating Expressions", "Order of Operations" ] } ## Substitute the given values Using the *Evaluating Expressions* knowledge point $$ \begin{aligned} &\text{Expression: } a - 5 - b\ &\text{Given: } a = 10,\ b = 4\ &10 - 5 - 4 \end{aligned} $$ ## Perform subtraction from left to right Using the *Order of Operations* knowledge point $$ \begin{aligned} &10 - 5 = 5\ &5 - 4 = 1 \end{aligned} $$

(A) 7

(B) 1

(C) -5

(D) 3

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Evaluating Expressions" ] }

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QUESTION IMAGE

Question

Explanation:

Substitute the given values

Perform subtraction from left to right

Answer: