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For each expression, write an equivalent expression that uses only addition. Don't use any spaces in your answers and don't rearrange the order of the terms.

a) 20−9+8−7
b) 4x−7y−5z+6
c) −3x−8y−4−7z

User Onlyjus
by
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1 Answer

12 votes

Answer:

a) 11-1

b)

c)

Explanation:

could I make them negative numbers I will come back a put the answers but I just need to know.

User Eddiec
by
8.7k points
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