MediumMath· Advanced Math· Nonlinear equations in one variable and systems of equations in two variables· MCQ
Which of the following is a solution to the given equation?
A
B
C
D
Correct answer: A
Explanation
Choice A is correct. Applying the distributive property on the left- and right-hand sides of the given equation yields , or . Subtracting from and adding to both sides of this equation yields . Subtracting 6 from both sides of this equation and then dividing both sides by 10 yields .
Choices B, C, and D are incorrect. Substituting 0, , or for x in the given equation will result in a false statement. If , the given equation becomes ; if , the given equation becomes ; and if , the given equation becomes . Therefore, the values 0, , and aren’t solutions to the given equation.
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id cb_question_bank:51ac9902-64a1-498c-83b5-980692f40e0e · question 802549ac · IBN 027749-DC
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