Question

I need to make sure these 3 questions I did are correct, I'll fan and medal!//


What is the value of the expression?

12.4 + (–2 + 1.6)
What value of m makes the statement true?

–(m + 15) = –18 + (–15)

What value of m makes the equation true?

[–6 + (–13)] + 8 = –6 + (m + 8)

Thank you ^_^

Answer 1

For number one I got 12, number two I got 18, and for number three I got 13

Answer 2

always picture the number line.
to the right add and to the left subtract.
when you subtract a negative it becomes a positive.

Answer 3

1 and 2 correct

Answer 4

Thank you!!

Answer 5

What about question 3?