Simplify 1. ( 3x-y ) - (9x-7y)
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Answer:
( 3x-y) - (9x-7y)
= 3x - y - 9x + 7y
= 3x - 9x -y + 7y
= ( -6x) + 6y
( -6x) + 6y is the answer
hope this answer helps you......
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