The sum of 3x + 4y and −3x − 4y is
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( 3x + 4y ) + ( −3x − 4y )
3x + 4y −3x − 4y
0
Answered by
1
Answer:
=
Step-by-step explanation:
=3x+4y-3x-4y
=3x-3x+4y-4y
=0
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