Answer:
10
Step-by-step explanation:
before he started, he had 7 pieces of paper and then grabbed 3 more = 10 sheets of paper
he took those sheet and cut them in half so...
10 sheets cut in half = 20
no its the 3rd one
thank me later
Let's simplify step-by-step.
2/ 5 y−4+7− 9 /10 y = 2 /5 y+−4+7+ −9 /10 y
Combine Like Terms: = 2 /5 y+−4+7+ −9 /10 y
(2 /5 y+ −9 /10 y)+(−4+7) = −1 /2 y+3
Answer: = −1 /2 y+3
Hope I could help! :)
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