2x+4y-2x+4y-6x+5y+4x+7y
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Answered by
1
Answer:
2!!@(@(-2!!77;!?(@8-;!!':!7;"';6" ":;!!'7:;!
Answered by
2
Answer:
= 2x-2x-6x+4x+4y+4y+5y+7y
= -2x+ 20y
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