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Simplify the following expression fully: 4x + 5y + 6x - 7y

We must identify the like terms and combine them:

4x + 5y + 6x - 7y

4x + 6x = 10x

5y - 7y = -2y

Therefore, the simplified expression is 10x - 2y.

Answered by Melanie U. • Maths tutor

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