If x + y = 2y - x + 1 = 5, find the value of x

Assessment: WAEC SSCE - General Mathematics - 2012 (Objective) Subject: General Mathematics

Question 1 Report

If x + y = 2y - x + 1 = 5, find the value of x
Answer Details
We are given two equations, x + y = 5 and 2y - x + 1 = 5, and we need to find the value of x. From the first equation, we can rearrange it to get x = 5 - y. Substituting this value of x into the second equation, we get: 2y - (5 - y) + 1 = 5 Simplifying the equation, we get: 3y - 4 = 5 Adding 4 to both sides, we get: 3y = 9 Dividing both sides by 3, we get: y = 3 Substituting this value of y into x + y = 5, we get: x + 3 = 5 Subtracting 3 from both sides, we get: x = 2 Therefore, the value of x is 2.

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