Respuesta :
Answer:
-1/2y + 3
Step by step:
2/5y−4+7−9/10y
=2/5y+−4+7+−9/10y
Combine Like Terms:
=2/5y+−4+7+−9/10y
=(2/5y+−9/10y)+(−4+7)
=−1/2y+3
Answer:
-1/2y + 3
Step by step:
2/5y−4+7−9/10y
=2/5y+−4+7+−9/10y
Combine Like Terms:
=2/5y+−4+7+−9/10y
=(2/5y+−9/10y)+(−4+7)
=−1/2y+3