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MathNet 2015-part-06 — 191 problems (EN–VI) Question 26

Math Olympiad Vault · MathNet 2015-part-06 — 191 problems (EN–VI)

Question 26

If $a + 2b = 13$ and $5a - 2b = 5$, the value of $b$ is
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5