valerie4385 valerie4385

19-09-2019
Physics

contestada

6 + 12(x + 3) = 7x +30 + 6x

Respuesta :

Lexibrewer20 Lexibrewer20

19-09-2019

Answer:

x=12

Explanation:

6+12(x+3)=(7x+6x)+30

12x+(36+6)=13x+30

12x+42=13x+30

42=(13x-12x)+30

42=1x+30

42-30=1x

12=1x

12÷1=12

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