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20-01-2021
Mathematics

contestada

What is the value of ma-2m+ na for m--2 and n-4?

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cdv5g92hxg cdv5g92hxg

20-01-2021

The answer is 2a+4

-2a -2(-2) +4a
-2a +4 +4a
-2a
=2a +4

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