Answer:
(y - x)/(y + x)
Step-by-step explanation:
(1/x - 1/y)/(1/x + 1/y) =
= (1/x - 1/y)/(1/x + 1/y) × (xy)/(xy)
= (y - x)/(y + x)
1= 2x+74
or,
or
now,
1+3= being straight angle
burning of fossil fuels
I believe it's -8 and 6