If 3x + y = 12 and xy = 9, then the valu

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

If 3x + y = 12 and xy = 9, then the value of (3x - y) is :

Options:

Correct Answer:

Explanation:

If 3x + y = 12

xy = 9,

then the value of (3x - y)= ?

Put the value of x and y = 3 ( This value will satisfy the given equation )

(3x - y)= 3(3) - 3 = 6