sat suite question viewer
Algebra
/ Linear equations in one variable
Difficulty: Medium
If 
, what is the value of 
?
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Explanation
Choice D is correct. Multiplying the given equation by 2 on each side yields 
. Applying the distributive property, this equation can be rewritten as 
, or 
.
Choices A, B, and C are incorrect and may result from calculation errors in solving the given equation for 
and then substituting that value of x in the expression .