Question

Simplify the sum
Please answer the questions fast​

Answer 1

Answer:

7

Step-by-step explanation:

21/2-17/2+6-(7-10)

21/2-(17/2+(6(-7+10)

21/2-(17/2+(6+3)

21/2-(17/2+9)

21/2-(17+18/2)

21/2-35/2

21-35/2

14/2

=7

Answer 2

Step-by-step explanation:

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