Question

In the equation 2x - y = 1 , if y = -3 the value of x is

A. 4
B. 2
C. -1
D. 0

Answer 1

Answer:

-1.

Step-by-step explanation:

• 2 x - y = 1    [ y = - 3]

   ⇒ 2 x - ( -3 ) = 1

    ⇒ 2 x + 3 = 1

⇒ 2 x = -2

∴ x = -1.

Thank  u .

Answer 2

2x - y = 1

=> 2x - (-3) = 1

=> 2x + 3 = 1

=> 2x = 1 - 3

=> 2x = -2

=> x = -1