Question

the triangle on the left has a perimeter of 14. while on the right the triangle has a perimeter of 21. what are x and y

2y+x=14
2(5/4 y) +3x=21

Answer 1

solve for either x or y in one function then plug in to the second

Answer 2

thats all i gotta do?

Answer 3

is substitute?

Answer 4

yes

Answer 5

thanks :)