3 years ago

Simplify: 2/5y−4+7−9/10y

Mathematics

2 answers:

algol133 years ago

7 0

It’s a nightmare question

Lostsunrise [7]3 years ago

5 0

Answer:

-1/2y + 3

Step-by-step 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

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