18-01-2017
Mathematics

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Simplify x + 4 + 3x

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18-01-2017

x+4+3x =
4x+4 (you sum the like terms )

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19-01-2017

4x + 4 because you combine the variables and x = 1 when it's by itself so 3x + x = 4x then you're left with 4 because there is no x beside it

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