If 3x + 2y = 8 and 2x - 2y = 3, find the value of 4

If 3x + 2y = 8 and 2x - 2y = 3, find the value of 4 - 3x.

A 1.5

B 3

C - 2.5

D -2

E None

Correct Answer: Option E

দেওয়া আছে, 3x + 2y = 8 এবং 2x - 2y = 3

3x + 2y = 8 ...... (1)

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

_______________________

5x = 11

x = 11/5

অতএব, 4 - 3x
= 4 -3 × 11/5
= 4 - 33/5
= (20-33)/5
= -13/5
= - 2.6