marissalwilliams3
14.06.2020 •
Mathematics
Justify a Solution The expression -3m - [2m + (5 - m)] + 7 was simplified as 2 - 4m. Without simplifying, explain how you can show that it has been simplified correctly.
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Ответ:
Step-by-step explanation:
Given the expression
Step one
Firstly we have to open the inner bracket we have
Step two
we proceed further by opening up the next bracket we have
Step three
we then have to collect like terms of m and rearrange.
Ответ:
10
Step-by-step explanation:
trust me