Question

2) Complete the following activity to solve simultaneous equations 3x + 2y = 6 and 2x + 4y = 12 by
Cramer's rule
132
D=
12 4
=
D-
6 2
12 4
D =
13 6
12 12
у
-> (x, y)= is the solution of the given simultaneous equation. .
3) Como​

Answer 1

Answer:

D=

∣

∣

∣

∣

∣

∣

3

2

2

4

∣

∣

∣

∣

∣

∣

=12−4=8

D

x

=

∣

∣

∣

∣

∣

∣

6

12

2

4

∣

∣

∣

∣

∣

∣

=24−24=0

D

y

=

∣

∣

∣

∣

∣

∣

3

2

6

12

∣

∣

∣

∣

∣

∣

=36−12=24

x=

D

D

x

=

8

0

=0

y=

D

D

y

=

8

24

=3

Therefore (x,y) = (0,3)

Step-by-step explanation:

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