Answer:
m+8n
Step-by-step explanation:
-(-m-8n)
When there is a - in front of an expression in parentheses, change the sign of each term in the expression
m + 8n
Step-by-step Explanation
It would surely be helpful if you let us know which angles to measure!
｡☆✼★ ━━━━━━━━━━━━━━ ☾
-2 - 10h = -11h - 20
+ 2
- 10h = -11h - 18
+ 11h
h = -18
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