Question

Solve using cross multiplication method:
x + y = 1 , 2x – 3y = 11

Answer 1

Step-by-step explanation:

giveneq.isx+y=1

Answer 2

Answer:

x =  -14/5 and y = 9/5

Step-by-step explanation:

x  = (b1c2– b2c1)/ (a1b2 – a2b1) ⇒ x = 11-(-3) / (-3) - 2 ⇒ -14/5

y =  (c1a2 – c2a1)/ (a1b2 – a2b1) ⇒ y = 2 - 11 / (-3) - 2 ⇒  9/5