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Test
Math
Domain
Algebra
Skill
Linear equations in one variable
Difficulty
Easy
ID: d9d83c02
Modded SAT Question Bank by Abdullah Mallik

For what value of w does w minus 10, equals, 2 times, open parenthesis, w plus 5, close parenthesis ?

  2. 0

  3. negative 15

  4. negative 20

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Correct Answer: D
Rationale

Choice D is correct. To solve the equation, use the distributive property to multiply on the right-hand side of the equation which gives w – 10 = 2w + 10. Subtract w from both sides of the equation, which gives –10 = w + 10. Finally, subtract 10 from both sides of the equation, which gives –20 = w.

Choices A and B are incorrect and may result from making sign errors. Choice C is incorrect and may result from incompletely distributing the 2 in the expression 2(w + 5).

Question Difficulty: Easy
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