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If 4x − 2y = 10 and 2x + y = 5, then what is the value of x?
  1. 2.5
  2. 3.5
  3. 4.5
  4. None of these
Explanation

Given:

4x − 2y = 10 ...(1)

2x + y = 5 ...(2)

Multiply equation (2) by 2:

4x + 2y = 10 ...(3)

Add equations (1) and (3):

8x = 20

x = 20 ÷ 8

x = 2.5


Last verified on 09-10-2026

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