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All of the following expressions simplify to -5x + 7, except

(4x + 3) + (-9x + 4)
(x - 2) - (6x - 9)
(5x + 1) - (-10x + 6)
-4x + 2x + 7 - 3x

User KF Lin
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6 votes

Answer:

n

Explanation:

User Rob Bell
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4 votes
number three - this would simplify to 15x - 5
User Petah
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