SOLUTION: combining like terms 2X+7X+4Y-2Y

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Question 731708: combining like terms
2X+7X+4Y-2Y
Answer by lenny460(1073) About Me  (Show Source):
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Combining like terms:
2x + 7x + 4y - 2y
2x + 7x = 9x
4y - 2y = 2y

Answer:
9x + 2y