4 + 2[x – (2 – x ) + 3] = 18.... Question from @claritamonzon2010

November 2022 1 8 Report

4 + 2[x – (2 – x ) + 3] = 18

xxAlejanxX

Respuesta:

4 + 2 (x - 2 + x + 3) = 18

4 + 2 (2x + 1) = 18

4 + 4x + 2 = 18

6 + 4x = 18

4x = 18 - 6

4x = 12

x=3

2 votes Thanks 1

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