Question

Complete the following activity to solve the simultaneous equations

x + y = 20 , x - 2y = 2 . by Cramer’s rule.​

Answer 1

Step-by-step explanation:

y is 6 and x is 14 thanks mark as brainliest

Answer 2

Answer:

ANSWER:

Disclaimer: There is error in the Q. In (II) there should have been 2x - 3y = 12

5x + 3y = 9 -----(I)

2x - 3y = 12 ----- (II)

Add (I) and (II)

7x = 21

x = 3

Putting the value of x = 3 in (I) we get

5(3)+3y=9⇒15+3y=9⇒3y=9-15=-6⇒y=-2

Thus, (x, y) = (3, -6).

Step-by-step explanation:

$⬆️❤I hope its help to you ⬆️❤$