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16-02-2016
Mathematics

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Write an equivalent expression to 2x + 3 + 5x + 6 by combining like terms

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16-02-2016

The original messy expression:

2x + 3 + 5x + 6

Add up all the x's: 2x + 5x = 7x

Add up all the plain numbers: 3 + 6 = 9

Re-write the expression: 7x + 9

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