JAMB PAST QUESTION WITH SOLUTION BY MR ATARP

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[2:36AM, 2/16/2018] 🐉mr atarp ditto ditto🦑: *Jamb CBT 2016 Mathematics Past Question & Answer By Mr. Atarp [Study Section]*📝✨

1. Given that 2x + y = 7 and 3x - 2y = 3, by how much is 7x greater than 10?

A. 1
B. 3
C. 7
D. 17

*Try And Show ur Solution*

_Drop Your Correct Answer_💫🔥🎪
[2:36AM, 2/16/2018] 🐉mr atarp ditto ditto🦑: *Correct Answer:* Option C✔

*Explanation:*👇👇

2x + y = 7...(1)

3x - 2y = 3...(2)

From (1), y = 7 - 2x for y in (2)

3x - 2(7 - 2x) = 3

3x - 14 + 4x = 3

7x + 3 + 14 = 17

x = 17/7

Hence, 7 x 17/7

= 17 - 10

= 7

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