Question

2. Solve: 363x + 481y = 2169
481x + 363y = 2051

Answer 1

Answer:

2.56

2.43

Step-by-step explanation:

363x+481y=2169

(363+481)xy=2169

844xy=2169

xy=2169/844

xy=2.56

481x+363y=2051

(481+363)y=2051

844xy=2051

xy=2051/844

xy=2.43

Answer 2

Answer:

363x + 481y =2169_ _eq 1

481x + 363y = 2051_ _eq 2

eq 1+ eq2

=844x + 844y =4220

=844(x+y)=4220

=x+y=4220/844

=x+y=5_ _eq 3

eq 1-eq2

=-118x + 118y=118

=-118(x-y)=118

=x-y=-118/118

=x-y=-1_ _eq 4

eq 3+ eq 4

=x=4

substitute x=4 in eq 3

= 4+y=5

=y=5-4

=Y=1

• THEREFORE X=4 AND
• Y= 1