Question

(1) 15x - 14y = 117
14x - 15y = 115​

Answer 1

Answer:

15x-14y=117

14x-15y=115

add both equations

29x-29y=232

subtracting 2 equations

x=y=2

so we get 2 equations

29x-29y=232

x+y=2

multiply second equation by 29

29x+29y=58

adding both equations

58x=290

x=5

y=-3

Step-by-step explanation: