In the last hour, 7 planes have landed at the airport and 11 planes have taken off. Use addition to find the change in the total
1 answer:
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Answer:
m = 4
Step-by-step explanation:
Given
- 8 + 6m = (4m + 16) ← distribute parenthesis
- 8 + 6m = 2m + 8 ( subtract 2m from both sides )
- 8 + 4m = 8 ( add 8 to both sides )
4m = 16 ( divide both sides by 4 )
m = 4