Question

Simplify: 2/5y−4+7−9/10y

Answer 1

-1/2y + 3

Explanation:

2/5y - 4 + 7 - 9/10y

= (2/5y - 9/10y) + (-4 + 7)

= (2/5 - 9/10) y + 3

= (4/10 - 9/10) y + 3

= -5/10y + 3

= -1/2y + 3

Answer 2

It’s a nightmare question