emmabigsby emmabigsby

07-11-2019
Mathematics

contestada

5(x + 3) + 2x = 4x + 9
(1) 5x + 15 + 2x = 4x + 9

What justifies that step

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Cnhopper12 Cnhopper12

07-11-2019

It is distribution. The 5 is distributed to the x and 3.

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