Question

solve the following
simultaneour equations
12x + 13 y = 29; 13 x +12y = 21.​

Answer 1

Step-by-step explanation:

i hope this will help you

Answer 2

Answer:

12x+13y=29

13x+12y=21

multiplying equation 1 by 13 and equation 2 by 12

156x+169y=377

156x+144y=252

- - -

0 25y =125

y=125/25

y=5

putting the value of y in equation 12x+13y=29

12x+13×5=29

12x+62=29

12x=29-62

12x=33

x=33/12