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Add. Use models if needed. (-3x - 7) + (4x + 7)
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Add. Use models if needed. (-3x - 7) + (4x + 7)

User Lexandro
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2 Answers

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(-3x-7)+(4x+7) = -3x-7+4x+7 = -3x+4x = x
User Seoman
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5 votes

-3x-7+4x+7

Negative -7 and positive 7 will give you 0.

So we're left with x. Therefore, the answer is x.

User King King
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6.9k points
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