Mathematics

Problem

x = 1

and

y = 2

is a solution of the pair of linear equations

2x - 3y + a = 0

and

2x + 3y - b = 0

, then : ![](https://storage.googleapis.com/diraq-contents/homework-question-parsing/marker/20260107T161002Z/0e125f1eff48411aacf852e66ab1a0ba/b615ff07e8a0f467f0a6f4783c4463eb_img.jpg) (A)

a = 2b

(B)

2a = b

(C)

a + 2b = 0

(D)

2a + b = 0

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